Home / 98,482,986.16-135,923,397.10-57,253,793.38

Finding the Fourth Proportional to 98,482,986.16, 135,923,397.10 and 57,253,793.38

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Solution

The fourth proportional to 98,482,986.16, 135,923,397.10 and 57,253,793.38 is: 79,020,045.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,482,986.16 : 135,923,397.10 = 57,253,793.38 : x
  2. Step 2: Convert to fraction form
    98,482,986.16/135,923,397.10 = 57,253,793.38/x
  3. Step 3: Cross multiply
    98,482,986.16x = 135,923,397.10 × 57,253,793.38
  4. Step 4: Simplify right side
    98,482,986.16x = 7,782,130,093,071,091
  5. Step 5: Solve for x
    x = 7,782,130,093,071,091/98,482,986.16
  6. Step 6: Final answer
    x = 79,020,045.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.