Home / 68,730,177.26-103,075,086.71-20,196,491.96

Finding the Fourth Proportional to 68,730,177.26, 103,075,086.71 and 20,196,491.96

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Solution

The fourth proportional to 68,730,177.26, 103,075,086.71 and 20,196,491.96 is: 30,288,808.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,730,177.26 : 103,075,086.71 = 20,196,491.96 : x
  2. Step 2: Convert to fraction form
    68,730,177.26/103,075,086.71 = 20,196,491.96/x
  3. Step 3: Cross multiply
    68,730,177.26x = 103,075,086.71 × 20,196,491.96
  4. Step 4: Simplify right side
    68,730,177.26x = 2,081,755,159,398,459.75
  5. Step 5: Solve for x
    x = 2,081,755,159,398,459.75/68,730,177.26
  6. Step 6: Final answer
    x = 30,288,808.24

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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.