Home / 127,853,950.83-176,486,432-83,803,786.71

Finding the Fourth Proportional to 127,853,950.83, 176,486,432 and 83,803,786.71

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Solution

The fourth proportional to 127,853,950.83, 176,486,432 and 83,803,786.71 is: 115,680,674.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,853,950.83 : 176,486,432 = 83,803,786.71 : x
  2. Step 2: Convert to fraction form
    127,853,950.83/176,486,432 = 83,803,786.71/x
  3. Step 3: Cross multiply
    127,853,950.83x = 176,486,432 × 83,803,786.71
  4. Step 4: Simplify right side
    127,853,950.83x = 14,790,231,304,536,918
  5. Step 5: Solve for x
    x = 14,790,231,304,536,918/127,853,950.83
  6. Step 6: Final answer
    x = 115,680,674.77

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1.5x scale

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.