Home / 158,265,212.52-218,407,275.65-87,702,001.40

Finding the Fourth Proportional to 158,265,212.52, 218,407,275.65 and 87,702,001.40

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Solution

The fourth proportional to 158,265,212.52, 218,407,275.65 and 87,702,001.40 is: 121,029,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,265,212.52 : 218,407,275.65 = 87,702,001.40 : x
  2. Step 2: Convert to fraction form
    158,265,212.52/218,407,275.65 = 87,702,001.40/x
  3. Step 3: Cross multiply
    158,265,212.52x = 218,407,275.65 × 87,702,001.40
  4. Step 4: Simplify right side
    158,265,212.52x = 19,154,755,195,030,544
  5. Step 5: Solve for x
    x = 19,154,755,195,030,544/158,265,212.52
  6. Step 6: Final answer
    x = 121,029,472.55

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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.