Home / 147,441,862.20-221,330,754.90-86,891,705.40

Finding the Fourth Proportional to 147,441,862.20, 221,330,754.90 and 86,891,705.40

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Solution

The fourth proportional to 147,441,862.20, 221,330,754.90 and 86,891,705.40 is: 130,436,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,441,862.20 : 221,330,754.90 = 86,891,705.40 : x
  2. Step 2: Convert to fraction form
    147,441,862.20/221,330,754.90 = 86,891,705.40/x
  3. Step 3: Cross multiply
    147,441,862.20x = 221,330,754.90 × 86,891,705.40
  4. Step 4: Simplify right side
    147,441,862.20x = 19,231,806,750,730,408
  5. Step 5: Solve for x
    x = 19,231,806,750,730,408/147,441,862.20
  6. Step 6: Final answer
    x = 130,436,542.67

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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.