Home / 102,013,403.70-153,020,105.55-101,056,809.90

Finding the Fourth Proportional to 102,013,403.70, 153,020,105.55 and 101,056,809.90

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Solution

The fourth proportional to 102,013,403.70, 153,020,105.55 and 101,056,809.90 is: 151,585,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,013,403.70 : 153,020,105.55 = 101,056,809.90 : x
  2. Step 2: Convert to fraction form
    102,013,403.70/153,020,105.55 = 101,056,809.90/x
  3. Step 3: Cross multiply
    102,013,403.70x = 153,020,105.55 × 101,056,809.90
  4. Step 4: Simplify right side
    102,013,403.70x = 15,463,723,717,444,288
  5. Step 5: Solve for x
    x = 15,463,723,717,444,288/102,013,403.70
  6. Step 6: Final answer
    x = 151,585,214.85

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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.