Home / 102,312,849.13-141,193,631.87-55,906,108.81

Finding the Fourth Proportional to 102,312,849.13, 141,193,631.87 and 55,906,108.81

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Solution

The fourth proportional to 102,312,849.13, 141,193,631.87 and 55,906,108.81 is: 77,151,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,312,849.13 : 141,193,631.87 = 55,906,108.81 : x
  2. Step 2: Convert to fraction form
    102,312,849.13/141,193,631.87 = 55,906,108.81/x
  3. Step 3: Cross multiply
    102,312,849.13x = 141,193,631.87 × 55,906,108.81
  4. Step 4: Simplify right side
    102,312,849.13x = 7,893,586,546,603,304
  5. Step 5: Solve for x
    x = 7,893,586,546,603,304/102,312,849.13
  6. Step 6: Final answer
    x = 77,151,468.40

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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.