Home / 356,411,755.15-534,308,511.18-137,911,707.11

Finding the Fourth Proportional to 356,411,755.15, 534,308,511.18 and 137,911,707.11

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Solution

The fourth proportional to 356,411,755.15, 534,308,511.18 and 137,911,707.11 is: 206,747,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,411,755.15 : 534,308,511.18 = 137,911,707.11 : x
  2. Step 2: Convert to fraction form
    356,411,755.15/534,308,511.18 = 137,911,707.11/x
  3. Step 3: Cross multiply
    356,411,755.15x = 534,308,511.18 × 137,911,707.11
  4. Step 4: Simplify right side
    356,411,755.15x = 73,687,398,900,236,336
  5. Step 5: Solve for x
    x = 73,687,398,900,236,336/356,411,755.15
  6. Step 6: Final answer
    x = 206,747,947.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.