Home / 103,484,507.28-155,226,761.01-42,059,274.72

Finding the Fourth Proportional to 103,484,507.28, 155,226,761.01 and 42,059,274.72

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Solution

The fourth proportional to 103,484,507.28, 155,226,761.01 and 42,059,274.72 is: 63,088,912.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,484,507.28 : 155,226,761.01 = 42,059,274.72 : x
  2. Step 2: Convert to fraction form
    103,484,507.28/155,226,761.01 = 42,059,274.72/x
  3. Step 3: Cross multiply
    103,484,507.28x = 155,226,761.01 × 42,059,274.72
  4. Step 4: Simplify right side
    103,484,507.28x = 6,528,724,985,215,374
  5. Step 5: Solve for x
    x = 6,528,724,985,215,374/103,484,507.28
  6. Step 6: Final answer
    x = 63,088,912.12

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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.