Home / 199,566,111.70-299,349,902.94-61,390,761.58

Finding the Fourth Proportional to 199,566,111.70, 299,349,902.94 and 61,390,761.58

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Solution

The fourth proportional to 199,566,111.70, 299,349,902.94 and 61,390,761.58 is: 92,086,368.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,566,111.70 : 299,349,902.94 = 61,390,761.58 : x
  2. Step 2: Convert to fraction form
    199,566,111.70/299,349,902.94 = 61,390,761.58/x
  3. Step 3: Cross multiply
    199,566,111.70x = 299,349,902.94 × 61,390,761.58
  4. Step 4: Simplify right side
    199,566,111.70x = 18,377,318,520,385,680
  5. Step 5: Solve for x
    x = 18,377,318,520,385,680/199,566,111.70
  6. Step 6: Final answer
    x = 92,086,368.59

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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.