Home / 147,524,489.20-221,286,733.80-70,996,985.20

Finding the Fourth Proportional to 147,524,489.20, 221,286,733.80 and 70,996,985.20

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Solution

The fourth proportional to 147,524,489.20, 221,286,733.80 and 70,996,985.20 is: 106,495,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,524,489.20 : 221,286,733.80 = 70,996,985.20 : x
  2. Step 2: Convert to fraction form
    147,524,489.20/221,286,733.80 = 70,996,985.20/x
  3. Step 3: Cross multiply
    147,524,489.20x = 221,286,733.80 × 70,996,985.20
  4. Step 4: Simplify right side
    147,524,489.20x = 15,710,690,964,554,942
  5. Step 5: Solve for x
    x = 15,710,690,964,554,942/147,524,489.20
  6. Step 6: Final answer
    x = 106,495,477.80

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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.