Home / 148,247,666.40-221,899,640.40-105,780,338.40

Finding the Fourth Proportional to 148,247,666.40, 221,899,640.40 and 105,780,338.40

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Solution

The fourth proportional to 148,247,666.40, 221,899,640.40 and 105,780,338.40 is: 158,333,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,247,666.40 : 221,899,640.40 = 105,780,338.40 : x
  2. Step 2: Convert to fraction form
    148,247,666.40/221,899,640.40 = 105,780,338.40/x
  3. Step 3: Cross multiply
    148,247,666.40x = 221,899,640.40 × 105,780,338.40
  4. Step 4: Simplify right side
    148,247,666.40x = 23,472,619,052,350,312
  5. Step 5: Solve for x
    x = 23,472,619,052,350,312/148,247,666.40
  6. Step 6: Final answer
    x = 158,333,818.15

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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.