Home / 118,058,155.32-176,724,025.20-77,029,249.08

Finding the Fourth Proportional to 118,058,155.32, 176,724,025.20 and 77,029,249.08

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Solution

The fourth proportional to 118,058,155.32, 176,724,025.20 and 77,029,249.08 is: 115,306,891.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,058,155.32 : 176,724,025.20 = 77,029,249.08 : x
  2. Step 2: Convert to fraction form
    118,058,155.32/176,724,025.20 = 77,029,249.08/x
  3. Step 3: Cross multiply
    118,058,155.32x = 176,724,025.20 × 77,029,249.08
  4. Step 4: Simplify right side
    118,058,155.32x = 13,612,918,955,550,996
  5. Step 5: Solve for x
    x = 13,612,918,955,550,996/118,058,155.32
  6. Step 6: Final answer
    x = 115,306,891.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.