Home / 52,428,643.20-78,642,964.80-32,021,308.80

Finding the Fourth Proportional to 52,428,643.20, 78,642,964.80 and 32,021,308.80

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Solution

The fourth proportional to 52,428,643.20, 78,642,964.80 and 32,021,308.80 is: 48,031,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,428,643.20 : 78,642,964.80 = 32,021,308.80 : x
  2. Step 2: Convert to fraction form
    52,428,643.20/78,642,964.80 = 32,021,308.80/x
  3. Step 3: Cross multiply
    52,428,643.20x = 78,642,964.80 × 32,021,308.80
  4. Step 4: Simplify right side
    52,428,643.20x = 2,518,250,660,808,330
  5. Step 5: Solve for x
    x = 2,518,250,660,808,330/52,428,643.20
  6. Step 6: Final answer
    x = 48,031,963.20

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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.