Home / 144,815,521.60-217,223,282.40-86,616,827.20

Finding the Fourth Proportional to 144,815,521.60, 217,223,282.40 and 86,616,827.20

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Solution

The fourth proportional to 144,815,521.60, 217,223,282.40 and 86,616,827.20 is: 129,925,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,815,521.60 : 217,223,282.40 = 86,616,827.20 : x
  2. Step 2: Convert to fraction form
    144,815,521.60/217,223,282.40 = 86,616,827.20/x
  3. Step 3: Cross multiply
    144,815,521.60x = 217,223,282.40 × 86,616,827.20
  4. Step 4: Simplify right side
    144,815,521.60x = 18,815,191,515,457,604
  5. Step 5: Solve for x
    x = 18,815,191,515,457,604/144,815,521.60
  6. Step 6: Final answer
    x = 129,925,240.80

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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.