Home / 74,468,082.40-111,702,123.60-51,509,831.20

Finding the Fourth Proportional to 74,468,082.40, 111,702,123.60 and 51,509,831.20

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Solution

The fourth proportional to 74,468,082.40, 111,702,123.60 and 51,509,831.20 is: 77,264,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,468,082.40 : 111,702,123.60 = 51,509,831.20 : x
  2. Step 2: Convert to fraction form
    74,468,082.40/111,702,123.60 = 51,509,831.20/x
  3. Step 3: Cross multiply
    74,468,082.40x = 111,702,123.60 × 51,509,831.20
  4. Step 4: Simplify right side
    74,468,082.40x = 5,753,757,531,317,536
  5. Step 5: Solve for x
    x = 5,753,757,531,317,536/74,468,082.40
  6. Step 6: Final answer
    x = 77,264,746.80

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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.