Home / 52,660,534.72-72,686,987.04-30,639,213.76

Finding the Fourth Proportional to 52,660,534.72, 72,686,987.04 and 30,639,213.76

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Solution

The fourth proportional to 52,660,534.72, 72,686,987.04 and 30,639,213.76 is: 42,291,103.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,660,534.72 : 72,686,987.04 = 30,639,213.76 : x
  2. Step 2: Convert to fraction form
    52,660,534.72/72,686,987.04 = 30,639,213.76/x
  3. Step 3: Cross multiply
    52,660,534.72x = 72,686,987.04 × 30,639,213.76
  4. Step 4: Simplify right side
    52,660,534.72x = 2,227,072,133,488,910
  5. Step 5: Solve for x
    x = 2,227,072,133,488,910/52,660,534.72
  6. Step 6: Final answer
    x = 42,291,103.68

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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.