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Finding the Fourth Proportional to 85,158,002.30, 119,523,534.10 and 85,158,002.30

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Solution

The fourth proportional to 85,158,002.30, 119,523,534.10 and 85,158,002.30 is: 119,523,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,158,002.30 : 119,523,534.10 = 85,158,002.30 : x
  2. Step 2: Convert to fraction form
    85,158,002.30/119,523,534.10 = 85,158,002.30/x
  3. Step 3: Cross multiply
    85,158,002.30x = 119,523,534.10 × 85,158,002.30
  4. Step 4: Simplify right side
    85,158,002.30x = 10,178,385,391,791,928
  5. Step 5: Solve for x
    x = 10,178,385,391,791,928/85,158,002.30
  6. Step 6: Final answer
    x = 119,523,534.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.