Home / 68,011,189.32-102,031,275.56-21,955,675.80

Finding the Fourth Proportional to 68,011,189.32, 102,031,275.56 and 21,955,675.80

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Solution

The fourth proportional to 68,011,189.32, 102,031,275.56 and 21,955,675.80 is: 32,938,191.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,011,189.32 : 102,031,275.56 = 21,955,675.80 : x
  2. Step 2: Convert to fraction form
    68,011,189.32/102,031,275.56 = 21,955,675.80/x
  3. Step 3: Cross multiply
    68,011,189.32x = 102,031,275.56 × 21,955,675.80
  4. Step 4: Simplify right side
    68,011,189.32x = 2,240,165,607,655,823.50
  5. Step 5: Solve for x
    x = 2,240,165,607,655,823.50/68,011,189.32
  6. Step 6: Final answer
    x = 32,938,191.94

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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.