Home / 68,096,765.40-102,145,148.10-42,566,602.20

Finding the Fourth Proportional to 68,096,765.40, 102,145,148.10 and 42,566,602.20

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Solution

The fourth proportional to 68,096,765.40, 102,145,148.10 and 42,566,602.20 is: 63,849,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,096,765.40 : 102,145,148.10 = 42,566,602.20 : x
  2. Step 2: Convert to fraction form
    68,096,765.40/102,145,148.10 = 42,566,602.20/x
  3. Step 3: Cross multiply
    68,096,765.40x = 102,145,148.10 × 42,566,602.20
  4. Step 4: Simplify right side
    68,096,765.40x = 4,347,971,885,832,786
  5. Step 5: Solve for x
    x = 4,347,971,885,832,786/68,096,765.40
  6. Step 6: Final answer
    x = 63,849,903.30

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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.