Home / 136,024,128-187,710,507-74,143,925.28

Finding the Fourth Proportional to 136,024,128, 187,710,507 and 74,143,925.28

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Solution

The fourth proportional to 136,024,128, 187,710,507 and 74,143,925.28 is: 102,317,096.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,024,128 : 187,710,507 = 74,143,925.28 : x
  2. Step 2: Convert to fraction form
    136,024,128/187,710,507 = 74,143,925.28/x
  3. Step 3: Cross multiply
    136,024,128x = 187,710,507 × 74,143,925.28
  4. Step 4: Simplify right side
    136,024,128x = 13,917,593,805,278,918
  5. Step 5: Solve for x
    x = 13,917,593,805,278,918/136,024,128
  6. Step 6: Final answer
    x = 102,317,096.31

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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.