Home / 49,723,812.40-74,459,747.40-39,646,116.40

Finding the Fourth Proportional to 49,723,812.40, 74,459,747.40 and 39,646,116.40

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Solution

The fourth proportional to 49,723,812.40, 74,459,747.40 and 39,646,116.40 is: 59,368,734.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,723,812.40 : 74,459,747.40 = 39,646,116.40 : x
  2. Step 2: Convert to fraction form
    49,723,812.40/74,459,747.40 = 39,646,116.40/x
  3. Step 3: Cross multiply
    49,723,812.40x = 74,459,747.40 × 39,646,116.40
  4. Step 4: Simplify right side
    49,723,812.40x = 2,952,039,812,534,997.50
  5. Step 5: Solve for x
    x = 2,952,039,812,534,997.50/49,723,812.40
  6. Step 6: Final answer
    x = 59,368,734.42

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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.