Home / 73,872,150.80-110,808,226.20-72,360,496.40

Finding the Fourth Proportional to 73,872,150.80, 110,808,226.20 and 72,360,496.40

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Solution

The fourth proportional to 73,872,150.80, 110,808,226.20 and 72,360,496.40 is: 108,540,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,872,150.80 : 110,808,226.20 = 72,360,496.40 : x
  2. Step 2: Convert to fraction form
    73,872,150.80/110,808,226.20 = 72,360,496.40/x
  3. Step 3: Cross multiply
    73,872,150.80x = 110,808,226.20 × 72,360,496.40
  4. Step 4: Simplify right side
    73,872,150.80x = 8,018,138,253,035,487
  5. Step 5: Solve for x
    x = 8,018,138,253,035,487/73,872,150.80
  6. Step 6: Final answer
    x = 108,540,744.60

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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.