Home / 129,364,449.60-194,046,674.40-52,742,467.20

Finding the Fourth Proportional to 129,364,449.60, 194,046,674.40 and 52,742,467.20

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Solution

The fourth proportional to 129,364,449.60, 194,046,674.40 and 52,742,467.20 is: 79,113,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,364,449.60 : 194,046,674.40 = 52,742,467.20 : x
  2. Step 2: Convert to fraction form
    129,364,449.60/194,046,674.40 = 52,742,467.20/x
  3. Step 3: Cross multiply
    129,364,449.60x = 194,046,674.40 × 52,742,467.20
  4. Step 4: Simplify right side
    129,364,449.60x = 10,234,500,359,811,080
  5. Step 5: Solve for x
    x = 10,234,500,359,811,080/129,364,449.60
  6. Step 6: Final answer
    x = 79,113,700.80

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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.