Home / 68,108,220.20-102,162,330.30-64,748,988.20

Finding the Fourth Proportional to 68,108,220.20, 102,162,330.30 and 64,748,988.20

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Solution

The fourth proportional to 68,108,220.20, 102,162,330.30 and 64,748,988.20 is: 97,123,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,108,220.20 : 102,162,330.30 = 64,748,988.20 : x
  2. Step 2: Convert to fraction form
    68,108,220.20/102,162,330.30 = 64,748,988.20/x
  3. Step 3: Cross multiply
    68,108,220.20x = 102,162,330.30 × 64,748,988.20
  4. Step 4: Simplify right side
    68,108,220.20x = 6,614,907,519,079,203
  5. Step 5: Solve for x
    x = 6,614,907,519,079,203/68,108,220.20
  6. Step 6: Final answer
    x = 97,123,482.30

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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.