Home / 147,620,472.30-221,430,708.45-70,925,006.70

Finding the Fourth Proportional to 147,620,472.30, 221,430,708.45 and 70,925,006.70

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Solution

The fourth proportional to 147,620,472.30, 221,430,708.45 and 70,925,006.70 is: 106,387,510.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,620,472.30 : 221,430,708.45 = 70,925,006.70 : x
  2. Step 2: Convert to fraction form
    147,620,472.30/221,430,708.45 = 70,925,006.70/x
  3. Step 3: Cross multiply
    147,620,472.30x = 221,430,708.45 × 70,925,006.70
  4. Step 4: Simplify right side
    147,620,472.30x = 15,704,974,480,401,996
  5. Step 5: Solve for x
    x = 15,704,974,480,401,996/147,620,472.30
  6. Step 6: Final answer
    x = 106,387,510.05

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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.