Home / 99,156,615.85-136,839,452.85-55,105,471.36

Finding the Fourth Proportional to 99,156,615.85, 136,839,452.85 and 55,105,471.36

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Solution

The fourth proportional to 99,156,615.85, 136,839,452.85 and 55,105,471.36 is: 76,047,397.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,156,615.85 : 136,839,452.85 = 55,105,471.36 : x
  2. Step 2: Convert to fraction form
    99,156,615.85/136,839,452.85 = 55,105,471.36/x
  3. Step 3: Cross multiply
    99,156,615.85x = 136,839,452.85 × 55,105,471.36
  4. Step 4: Simplify right side
    99,156,615.85x = 7,540,602,548,984,020
  5. Step 5: Solve for x
    x = 7,540,602,548,984,020/99,156,615.85
  6. Step 6: Final answer
    x = 76,047,397.19

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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.