Home / 127,993,600.71-176,600,451.69-77,756,815.13

Finding the Fourth Proportional to 127,993,600.71, 176,600,451.69 and 77,756,815.13

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Solution

The fourth proportional to 127,993,600.71, 176,600,451.69 and 77,756,815.13 is: 107,285,743.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,993,600.71 : 176,600,451.69 = 77,756,815.13 : x
  2. Step 2: Convert to fraction form
    127,993,600.71/176,600,451.69 = 77,756,815.13/x
  3. Step 3: Cross multiply
    127,993,600.71x = 176,600,451.69 × 77,756,815.13
  4. Step 4: Simplify right side
    127,993,600.71x = 13,731,888,674,044,200
  5. Step 5: Solve for x
    x = 13,731,888,674,044,200/127,993,600.71
  6. Step 6: Final answer
    x = 107,285,743.96

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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.