Home / 210,068,557.30-314,890,259.55-123,762,538.90

Finding the Fourth Proportional to 210,068,557.30, 314,890,259.55 and 123,762,538.90

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Solution

The fourth proportional to 210,068,557.30, 314,890,259.55 and 123,762,538.90 is: 185,518,568.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,068,557.30 : 314,890,259.55 = 123,762,538.90 : x
  2. Step 2: Convert to fraction form
    210,068,557.30/314,890,259.55 = 123,762,538.90/x
  3. Step 3: Cross multiply
    210,068,557.30x = 314,890,259.55 × 123,762,538.90
  4. Step 4: Simplify right side
    210,068,557.30x = 38,971,617,996,787,976
  5. Step 5: Solve for x
    x = 38,971,617,996,787,976/210,068,557.30
  6. Step 6: Final answer
    x = 185,518,568.31

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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.