Home / 147,441,859.20-221,330,750.40-86,891,702.40

Finding the Fourth Proportional to 147,441,859.20, 221,330,750.40 and 86,891,702.40

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Solution

The fourth proportional to 147,441,859.20, 221,330,750.40 and 86,891,702.40 is: 130,436,538.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,441,859.20 : 221,330,750.40 = 86,891,702.40 : x
  2. Step 2: Convert to fraction form
    147,441,859.20/221,330,750.40 = 86,891,702.40/x
  3. Step 3: Cross multiply
    147,441,859.20x = 221,330,750.40 × 86,891,702.40
  4. Step 4: Simplify right side
    147,441,859.20x = 19,231,805,695,725,484
  5. Step 5: Solve for x
    x = 19,231,805,695,725,484/147,441,859.20
  6. Step 6: Final answer
    x = 130,436,538.17

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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.