Home / 102,208,092.80-153,312,139.20-82,052,700.80

Finding the Fourth Proportional to 102,208,092.80, 153,312,139.20 and 82,052,700.80

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Solution

The fourth proportional to 102,208,092.80, 153,312,139.20 and 82,052,700.80 is: 123,079,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,208,092.80 : 153,312,139.20 = 82,052,700.80 : x
  2. Step 2: Convert to fraction form
    102,208,092.80/153,312,139.20 = 82,052,700.80/x
  3. Step 3: Cross multiply
    102,208,092.80x = 153,312,139.20 × 82,052,700.80
  4. Step 4: Simplify right side
    102,208,092.80x = 12,579,675,086,785,550
  5. Step 5: Solve for x
    x = 12,579,675,086,785,550/102,208,092.80
  6. Step 6: Final answer
    x = 123,079,051.20

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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.