Home / 100,049,463.61-138,036,798.45-55,989,461.77

Finding the Fourth Proportional to 100,049,463.61, 138,036,798.45 and 55,989,461.77

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Solution

The fourth proportional to 100,049,463.61, 138,036,798.45 and 55,989,461.77 is: 77,247,850.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,049,463.61 : 138,036,798.45 = 55,989,461.77 : x
  2. Step 2: Convert to fraction form
    100,049,463.61/138,036,798.45 = 55,989,461.77/x
  3. Step 3: Cross multiply
    100,049,463.61x = 138,036,798.45 × 55,989,461.77
  4. Step 4: Simplify right side
    100,049,463.61x = 7,728,606,049,324,377
  5. Step 5: Solve for x
    x = 7,728,606,049,324,377/100,049,463.61
  6. Step 6: Final answer
    x = 77,247,850.92

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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.