Home / 55,872,500.45-77,103,493.11-31,092,263.13

Finding the Fourth Proportional to 55,872,500.45, 77,103,493.11 and 31,092,263.13

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Solution

The fourth proportional to 55,872,500.45, 77,103,493.11 and 31,092,263.13 is: 42,907,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,872,500.45 : 77,103,493.11 = 31,092,263.13 : x
  2. Step 2: Convert to fraction form
    55,872,500.45/77,103,493.11 = 31,092,263.13/x
  3. Step 3: Cross multiply
    55,872,500.45x = 77,103,493.11 × 31,092,263.13
  4. Step 4: Simplify right side
    55,872,500.45x = 2,397,322,096,018,262
  5. Step 5: Solve for x
    x = 2,397,322,096,018,262/55,872,500.45
  6. Step 6: Final answer
    x = 42,907,012.87

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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.