Home / 288,961,094.04-398,764,287.24-156,798,729.48

Finding the Fourth Proportional to 288,961,094.04, 398,764,287.24 and 156,798,729.48

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Solution

The fourth proportional to 288,961,094.04, 398,764,287.24 and 156,798,729.48 is: 216,381,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,961,094.04 : 398,764,287.24 = 156,798,729.48 : x
  2. Step 2: Convert to fraction form
    288,961,094.04/398,764,287.24 = 156,798,729.48/x
  3. Step 3: Cross multiply
    288,961,094.04x = 398,764,287.24 × 156,798,729.48
  4. Step 4: Simplify right side
    288,961,094.04x = 62,525,733,601,229,776
  5. Step 5: Solve for x
    x = 62,525,733,601,229,776/288,961,094.04
  6. Step 6: Final answer
    x = 216,381,149.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.