Home / 55,690,305.60-76,851,463.70-30,909,038.70

Finding the Fourth Proportional to 55,690,305.60, 76,851,463.70 and 30,909,038.70

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Solution

The fourth proportional to 55,690,305.60, 76,851,463.70 and 30,909,038.70 is: 42,653,830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,690,305.60 : 76,851,463.70 = 30,909,038.70 : x
  2. Step 2: Convert to fraction form
    55,690,305.60/76,851,463.70 = 30,909,038.70/x
  3. Step 3: Cross multiply
    55,690,305.60x = 76,851,463.70 × 30,909,038.70
  4. Step 4: Simplify right side
    55,690,305.60x = 2,375,404,865,654,945
  5. Step 5: Solve for x
    x = 2,375,404,865,654,945/55,690,305.60
  6. Step 6: Final answer
    x = 42,653,830.68

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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.