Home / 73,872,000.30-110,808,000.45-72,864,230.70

Finding the Fourth Proportional to 73,872,000.30, 110,808,000.45 and 72,864,230.70

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Solution

The fourth proportional to 73,872,000.30, 110,808,000.45 and 72,864,230.70 is: 109,296,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,872,000.30 : 110,808,000.45 = 72,864,230.70 : x
  2. Step 2: Convert to fraction form
    73,872,000.30/110,808,000.45 = 72,864,230.70/x
  3. Step 3: Cross multiply
    73,872,000.30x = 110,808,000.45 × 72,864,230.70
  4. Step 4: Simplify right side
    73,872,000.30x = 8,073,939,708,194,504
  5. Step 5: Solve for x
    x = 8,073,939,708,194,504/73,872,000.30
  6. Step 6: Final answer
    x = 109,296,346.05

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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.