Home / 55,298,687.40-82,948,031.10-52,909,900.20

Finding the Fourth Proportional to 55,298,687.40, 82,948,031.10 and 52,909,900.20

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Solution

The fourth proportional to 55,298,687.40, 82,948,031.10 and 52,909,900.20 is: 79,364,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,298,687.40 : 82,948,031.10 = 52,909,900.20 : x
  2. Step 2: Convert to fraction form
    55,298,687.40/82,948,031.10 = 52,909,900.20/x
  3. Step 3: Cross multiply
    55,298,687.40x = 82,948,031.10 × 52,909,900.20
  4. Step 4: Simplify right side
    55,298,687.40x = 4,388,772,047,287,496
  5. Step 5: Solve for x
    x = 4,388,772,047,287,496/55,298,687.40
  6. Step 6: Final answer
    x = 79,364,850.30

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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.