Home / 186,862,988.22-280,229,572.82-103,991,206.58

Finding the Fourth Proportional to 186,862,988.22, 280,229,572.82 and 103,991,206.58

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Solution

The fourth proportional to 186,862,988.22, 280,229,572.82 and 103,991,206.58 is: 155,950,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,862,988.22 : 280,229,572.82 = 103,991,206.58 : x
  2. Step 2: Convert to fraction form
    186,862,988.22/280,229,572.82 = 103,991,206.58/x
  3. Step 3: Cross multiply
    186,862,988.22x = 280,229,572.82 × 103,991,206.58
  4. Step 4: Simplify right side
    186,862,988.22x = 29,141,411,397,208,064
  5. Step 5: Solve for x
    x = 29,141,411,397,208,064/186,862,988.22
  6. Step 6: Final answer
    x = 155,950,687.05

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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.