Home / 76,434,399,691.48-105,479,961,207.06-42,603,839,938.36

Finding the Fourth Proportional to 76,434,399,691.48, 105,479,961,207.06 and 42,603,839,938.36

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Solution

The fourth proportional to 76,434,399,691.48, 105,479,961,207.06 and 42,603,839,938.36 is: 58,793,572,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,434,399,691.48 : 105,479,961,207.06 = 42,603,839,938.36 : x
  2. Step 2: Convert to fraction form
    76,434,399,691.48/105,479,961,207.06 = 42,603,839,938.36/x
  3. Step 3: Cross multiply
    76,434,399,691.48x = 105,479,961,207.06 × 42,603,839,938.36
  4. Step 4: Simplify right side
    76,434,399,691.48x = 4,493,851,383,970,006,040,576
  5. Step 5: Solve for x
    x = 4,493,851,383,970,006,040,576/76,434,399,691.48
  6. Step 6: Final answer
    x = 58,793,572,031.82

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.