Home / 135,866,883.34-187,491,373.54-83,031,983.83

Finding the Fourth Proportional to 135,866,883.34, 187,491,373.54 and 83,031,983.83

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Solution

The fourth proportional to 135,866,883.34, 187,491,373.54 and 83,031,983.83 is: 114,581,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,866,883.34 : 187,491,373.54 = 83,031,983.83 : x
  2. Step 2: Convert to fraction form
    135,866,883.34/187,491,373.54 = 83,031,983.83/x
  3. Step 3: Cross multiply
    135,866,883.34x = 187,491,373.54 × 83,031,983.83
  4. Step 4: Simplify right side
    135,866,883.34x = 15,567,780,696,037,768
  5. Step 5: Solve for x
    x = 15,567,780,696,037,768/135,866,883.34
  6. Step 6: Final answer
    x = 114,581,127.60

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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.