Home / 97,114,212.30-145,671,318.45-85,170,276.30

Finding the Fourth Proportional to 97,114,212.30, 145,671,318.45 and 85,170,276.30

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Solution

The fourth proportional to 97,114,212.30, 145,671,318.45 and 85,170,276.30 is: 127,755,414.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,114,212.30 : 145,671,318.45 = 85,170,276.30 : x
  2. Step 2: Convert to fraction form
    97,114,212.30/145,671,318.45 = 85,170,276.30/x
  3. Step 3: Cross multiply
    97,114,212.30x = 145,671,318.45 × 85,170,276.30
  4. Step 4: Simplify right side
    97,114,212.30x = 12,406,866,441,371,786
  5. Step 5: Solve for x
    x = 12,406,866,441,371,786/97,114,212.30
  6. Step 6: Final answer
    x = 127,755,414.45

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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.