Home / 127,853,738.47-176,486,138.99-83,803,574.89

Finding the Fourth Proportional to 127,853,738.47, 176,486,138.99 and 83,803,574.89

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Solution

The fourth proportional to 127,853,738.47, 176,486,138.99 and 83,803,574.89 is: 115,680,382.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,853,738.47 : 176,486,138.99 = 83,803,574.89 : x
  2. Step 2: Convert to fraction form
    127,853,738.47/176,486,138.99 = 83,803,574.89/x
  3. Step 3: Cross multiply
    127,853,738.47x = 176,486,138.99 × 83,803,574.89
  4. Step 4: Simplify right side
    127,853,738.47x = 14,790,169,365,895,414
  5. Step 5: Solve for x
    x = 14,790,169,365,895,414/127,853,738.47
  6. Step 6: Final answer
    x = 115,680,382.47

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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.