Home / 118,058,113.32-176,723,962.20-77,029,207.08

Finding the Fourth Proportional to 118,058,113.32, 176,723,962.20 and 77,029,207.08

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Solution

The fourth proportional to 118,058,113.32, 176,723,962.20 and 77,029,207.08 is: 115,306,828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,058,113.32 : 176,723,962.20 = 77,029,207.08 : x
  2. Step 2: Convert to fraction form
    118,058,113.32/176,723,962.20 = 77,029,207.08/x
  3. Step 3: Cross multiply
    118,058,113.32x = 176,723,962.20 × 77,029,207.08
  4. Step 4: Simplify right side
    118,058,113.32x = 13,612,906,680,301,892
  5. Step 5: Solve for x
    x = 13,612,906,680,301,892/118,058,113.32
  6. Step 6: Final answer
    x = 115,306,828.96

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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.