Home / 147,524,485.70-221,286,728.55-70,996,981.70

Finding the Fourth Proportional to 147,524,485.70, 221,286,728.55 and 70,996,981.70

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Solution

The fourth proportional to 147,524,485.70, 221,286,728.55 and 70,996,981.70 is: 106,495,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,524,485.70 : 221,286,728.55 = 70,996,981.70 : x
  2. Step 2: Convert to fraction form
    147,524,485.70/221,286,728.55 = 70,996,981.70/x
  3. Step 3: Cross multiply
    147,524,485.70x = 221,286,728.55 × 70,996,981.70
  4. Step 4: Simplify right side
    147,524,485.70x = 15,710,689,817,317,220
  5. Step 5: Solve for x
    x = 15,710,689,817,317,220/147,524,485.70
  6. Step 6: Final answer
    x = 106,495,472.55

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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.