Home / 157,194,839.43-216,930,362.22-86,633,030.59

Finding the Fourth Proportional to 157,194,839.43, 216,930,362.22 and 86,633,030.59

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Solution

The fourth proportional to 157,194,839.43, 216,930,362.22 and 86,633,030.59 is: 119,554,399.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,194,839.43 : 216,930,362.22 = 86,633,030.59 : x
  2. Step 2: Convert to fraction form
    157,194,839.43/216,930,362.22 = 86,633,030.59/x
  3. Step 3: Cross multiply
    157,194,839.43x = 216,930,362.22 × 86,633,030.59
  4. Step 4: Simplify right side
    157,194,839.43x = 18,793,334,705,562,716
  5. Step 5: Solve for x
    x = 18,793,334,705,562,716/157,194,839.43
  6. Step 6: Final answer
    x = 119,554,399.96

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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.