Home / 70,002,000.30-105,003,000.45-45,815,529.90

Finding the Fourth Proportional to 70,002,000.30, 105,003,000.45 and 45,815,529.90

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Solution

The fourth proportional to 70,002,000.30, 105,003,000.45 and 45,815,529.90 is: 68,723,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,002,000.30 : 105,003,000.45 = 45,815,529.90 : x
  2. Step 2: Convert to fraction form
    70,002,000.30/105,003,000.45 = 45,815,529.90/x
  3. Step 3: Cross multiply
    70,002,000.30x = 105,003,000.45 × 45,815,529.90
  4. Step 4: Simplify right side
    70,002,000.30x = 4,810,768,106,706,688
  5. Step 5: Solve for x
    x = 4,810,768,106,706,688/70,002,000.30
  6. Step 6: Final answer
    x = 68,723,294.85

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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.