Home / 86,339,284.40-129,576,085.43-60,262,177.88

Finding the Fourth Proportional to 86,339,284.40, 129,576,085.43 and 60,262,177.88

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Solution

The fourth proportional to 86,339,284.40, 129,576,085.43 and 60,262,177.88 is: 90,440,141.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,339,284.40 : 129,576,085.43 = 60,262,177.88 : x
  2. Step 2: Convert to fraction form
    86,339,284.40/129,576,085.43 = 60,262,177.88/x
  3. Step 3: Cross multiply
    86,339,284.40x = 129,576,085.43 × 60,262,177.88
  4. Step 4: Simplify right side
    86,339,284.40x = 7,808,537,108,227,545
  5. Step 5: Solve for x
    x = 7,808,537,108,227,545/86,339,284.40
  6. Step 6: Final answer
    x = 90,440,141.62

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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.