Home / 70,956,000.80-106,434,001.20-30,645,216.80

Finding the Fourth Proportional to 70,956,000.80, 106,434,001.20 and 30,645,216.80

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Solution

The fourth proportional to 70,956,000.80, 106,434,001.20 and 30,645,216.80 is: 45,967,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,956,000.80 : 106,434,001.20 = 30,645,216.80 : x
  2. Step 2: Convert to fraction form
    70,956,000.80/106,434,001.20 = 30,645,216.80/x
  3. Step 3: Cross multiply
    70,956,000.80x = 106,434,001.20 × 30,645,216.80
  4. Step 4: Simplify right side
    70,956,000.80x = 3,261,693,041,665,460.50
  5. Step 5: Solve for x
    x = 3,261,693,041,665,460.50/70,956,000.80
  6. Step 6: Final answer
    x = 45,967,825.20

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Similar ratio
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1.5x scale

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.