Home / 268,404,854.28-402,652,681.08-137,304,049

Finding the Fourth Proportional to 268,404,854.28, 402,652,681.08 and 137,304,049

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Solution

The fourth proportional to 268,404,854.28, 402,652,681.08 and 137,304,049 is: 205,979,297.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,404,854.28 : 402,652,681.08 = 137,304,049 : x
  2. Step 2: Convert to fraction form
    268,404,854.28/402,652,681.08 = 137,304,049/x
  3. Step 3: Cross multiply
    268,404,854.28x = 402,652,681.08 × 137,304,049
  4. Step 4: Simplify right side
    268,404,854.28x = 55,285,843,452,989,688
  5. Step 5: Solve for x
    x = 55,285,843,452,989,688/268,404,854.28
  6. Step 6: Final answer
    x = 205,979,297.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.