Home / 74,015,186.60-102,151,641.38-42,647,227.88

Finding the Fourth Proportional to 74,015,186.60, 102,151,641.38 and 42,647,227.88

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Solution

The fourth proportional to 74,015,186.60, 102,151,641.38 and 42,647,227.88 is: 58,859,330.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,015,186.60 : 102,151,641.38 = 42,647,227.88 : x
  2. Step 2: Convert to fraction form
    74,015,186.60/102,151,641.38 = 42,647,227.88/x
  3. Step 3: Cross multiply
    74,015,186.60x = 102,151,641.38 × 42,647,227.88
  4. Step 4: Simplify right side
    74,015,186.60x = 4,356,484,328,248,897.50
  5. Step 5: Solve for x
    x = 4,356,484,328,248,897.50/74,015,186.60
  6. Step 6: Final answer
    x = 58,859,330.47

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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.