Home / 144,778,909.60-217,168,364.40-87,336,042.40

Finding the Fourth Proportional to 144,778,909.60, 217,168,364.40 and 87,336,042.40

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Solution

The fourth proportional to 144,778,909.60, 217,168,364.40 and 87,336,042.40 is: 131,004,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,778,909.60 : 217,168,364.40 = 87,336,042.40 : x
  2. Step 2: Convert to fraction form
    144,778,909.60/217,168,364.40 = 87,336,042.40/x
  3. Step 3: Cross multiply
    144,778,909.60x = 217,168,364.40 × 87,336,042.40
  4. Step 4: Simplify right side
    144,778,909.60x = 18,966,625,481,177,052
  5. Step 5: Solve for x
    x = 18,966,625,481,177,052/144,778,909.60
  6. Step 6: Final answer
    x = 131,004,063.60

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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.