Home / 45,428,281.20-68,142,421.80-27,288,428.40

Finding the Fourth Proportional to 45,428,281.20, 68,142,421.80 and 27,288,428.40

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Solution

The fourth proportional to 45,428,281.20, 68,142,421.80 and 27,288,428.40 is: 40,932,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,428,281.20 : 68,142,421.80 = 27,288,428.40 : x
  2. Step 2: Convert to fraction form
    45,428,281.20/68,142,421.80 = 27,288,428.40/x
  3. Step 3: Cross multiply
    45,428,281.20x = 68,142,421.80 × 27,288,428.40
  4. Step 4: Simplify right side
    45,428,281.20x = 1,859,499,598,291,899
  5. Step 5: Solve for x
    x = 1,859,499,598,291,899/45,428,281.20
  6. Step 6: Final answer
    x = 40,932,642.60

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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.