Home / 104,859,232.78-144,706,876-57,816,397.28

Finding the Fourth Proportional to 104,859,232.78, 144,706,876 and 57,816,397.28

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Solution

The fourth proportional to 104,859,232.78, 144,706,876 and 57,816,397.28 is: 79,787,253.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,859,232.78 : 144,706,876 = 57,816,397.28 : x
  2. Step 2: Convert to fraction form
    104,859,232.78/144,706,876 = 57,816,397.28/x
  3. Step 3: Cross multiply
    104,859,232.78x = 144,706,876 × 57,816,397.28
  4. Step 4: Simplify right side
    104,859,232.78x = 8,366,430,231,963,697
  5. Step 5: Solve for x
    x = 8,366,430,231,963,697/104,859,232.78
  6. Step 6: Final answer
    x = 79,787,253.92

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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.