Home / 207,013,431,498.80-310,520,147,248.20-136,347,934,305.20

Finding the Fourth Proportional to 207,013,431,498.80, 310,520,147,248.20 and 136,347,934,305.20

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Solution

The fourth proportional to 207,013,431,498.80, 310,520,147,248.20 and 136,347,934,305.20 is: 204,521,901,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,013,431,498.80 : 310,520,147,248.20 = 136,347,934,305.20 : x
  2. Step 2: Convert to fraction form
    207,013,431,498.80/310,520,147,248.20 = 136,347,934,305.20/x
  3. Step 3: Cross multiply
    207,013,431,498.80x = 310,520,147,248.20 × 136,347,934,305.20
  4. Step 4: Simplify right side
    207,013,431,498.80x = 42,338,780,637,438,601,592,832
  5. Step 5: Solve for x
    x = 42,338,780,637,438,601,592,832/207,013,431,498.80
  6. Step 6: Final answer
    x = 204,521,901,457.80

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1.5x scale

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.