Home / 157,527,434.65-217,399,878.87-86,976,646.26

Finding the Fourth Proportional to 157,527,434.65, 217,399,878.87 and 86,976,646.26

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Solution

The fourth proportional to 157,527,434.65, 217,399,878.87 and 86,976,646.26 is: 120,034,408.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,527,434.65 : 217,399,878.87 = 86,976,646.26 : x
  2. Step 2: Convert to fraction form
    157,527,434.65/217,399,878.87 = 86,976,646.26/x
  3. Step 3: Cross multiply
    157,527,434.65x = 217,399,878.87 × 86,976,646.26
  4. Step 4: Simplify right side
    157,527,434.65x = 18,908,712,361,442,840
  5. Step 5: Solve for x
    x = 18,908,712,361,442,840/157,527,434.65
  6. Step 6: Final answer
    x = 120,034,408.00

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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.