Home / 80,799,343.36-111,429,246.72-63,160,576

Finding the Fourth Proportional to 80,799,343.36, 111,429,246.72 and 63,160,576

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Solution

The fourth proportional to 80,799,343.36, 111,429,246.72 and 63,160,576 is: 87,103,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,799,343.36 : 111,429,246.72 = 63,160,576 : x
  2. Step 2: Convert to fraction form
    80,799,343.36/111,429,246.72 = 63,160,576/x
  3. Step 3: Cross multiply
    80,799,343.36x = 111,429,246.72 × 63,160,576
  4. Step 4: Simplify right side
    80,799,343.36x = 7,037,935,406,081,311
  5. Step 5: Solve for x
    x = 7,037,935,406,081,311/80,799,343.36
  6. Step 6: Final answer
    x = 87,103,868.84

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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.