Home / 147,557,940.60-221,336,910.90-86,335,937.40

Finding the Fourth Proportional to 147,557,940.60, 221,336,910.90 and 86,335,937.40

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Solution

The fourth proportional to 147,557,940.60, 221,336,910.90 and 86,335,937.40 is: 129,503,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,557,940.60 : 221,336,910.90 = 86,335,937.40 : x
  2. Step 2: Convert to fraction form
    147,557,940.60/221,336,910.90 = 86,335,937.40/x
  3. Step 3: Cross multiply
    147,557,940.60x = 221,336,910.90 × 86,335,937.40
  4. Step 4: Simplify right side
    147,557,940.60x = 19,109,329,683,771,780
  5. Step 5: Solve for x
    x = 19,109,329,683,771,780/147,557,940.60
  6. Step 6: Final answer
    x = 129,503,906.10

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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.