Home / 181,915,965.60-272,873,948.40-72,687,125.40

Finding the Fourth Proportional to 181,915,965.60, 272,873,948.40 and 72,687,125.40

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Solution

The fourth proportional to 181,915,965.60, 272,873,948.40 and 72,687,125.40 is: 109,030,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,915,965.60 : 272,873,948.40 = 72,687,125.40 : x
  2. Step 2: Convert to fraction form
    181,915,965.60/272,873,948.40 = 72,687,125.40/x
  3. Step 3: Cross multiply
    181,915,965.60x = 272,873,948.40 × 72,687,125.40
  4. Step 4: Simplify right side
    181,915,965.60x = 19,834,422,905,743,928
  5. Step 5: Solve for x
    x = 19,834,422,905,743,928/181,915,965.60
  6. Step 6: Final answer
    x = 109,030,688.10

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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.