Home / 80,123,487.63-110,535,307.07-47,068,825.16

Finding the Fourth Proportional to 80,123,487.63, 110,535,307.07 and 47,068,825.16

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Solution

The fourth proportional to 80,123,487.63, 110,535,307.07 and 47,068,825.16 is: 64,934,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,123,487.63 : 110,535,307.07 = 47,068,825.16 : x
  2. Step 2: Convert to fraction form
    80,123,487.63/110,535,307.07 = 47,068,825.16/x
  3. Step 3: Cross multiply
    80,123,487.63x = 110,535,307.07 × 47,068,825.16
  4. Step 4: Simplify right side
    80,123,487.63x = 5,202,767,041,696,721
  5. Step 5: Solve for x
    x = 5,202,767,041,696,721/80,123,487.63
  6. Step 6: Final answer
    x = 64,934,355.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.