Home / 140,197,980.56-193,472,737.50-77,472,327.38

Finding the Fourth Proportional to 140,197,980.56, 193,472,737.50 and 77,472,327.38

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Solution

The fourth proportional to 140,197,980.56, 193,472,737.50 and 77,472,327.38 is: 106,911,548.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,197,980.56 : 193,472,737.50 = 77,472,327.38 : x
  2. Step 2: Convert to fraction form
    140,197,980.56/193,472,737.50 = 77,472,327.38/x
  3. Step 3: Cross multiply
    140,197,980.56x = 193,472,737.50 × 77,472,327.38
  4. Step 4: Simplify right side
    140,197,980.56x = 14,988,783,259,188,484
  5. Step 5: Solve for x
    x = 14,988,783,259,188,484/140,197,980.56
  6. Step 6: Final answer
    x = 106,911,548.93

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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.