Home / 145,058,419.20-217,587,628.80-136,548,364.80

Finding the Fourth Proportional to 145,058,419.20, 217,587,628.80 and 136,548,364.80

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Solution

The fourth proportional to 145,058,419.20, 217,587,628.80 and 136,548,364.80 is: 204,822,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,058,419.20 : 217,587,628.80 = 136,548,364.80 : x
  2. Step 2: Convert to fraction form
    145,058,419.20/217,587,628.80 = 136,548,364.80/x
  3. Step 3: Cross multiply
    145,058,419.20x = 217,587,628.80 × 136,548,364.80
  4. Step 4: Simplify right side
    145,058,419.20x = 29,711,234,913,349,392
  5. Step 5: Solve for x
    x = 29,711,234,913,349,392/145,058,419.20
  6. Step 6: Final answer
    x = 204,822,547.20

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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.