Home / 254,209,281.68-350,798,478-144,198,632.72

Finding the Fourth Proportional to 254,209,281.68, 350,798,478 and 144,198,632.72

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Solution

The fourth proportional to 254,209,281.68, 350,798,478 and 144,198,632.72 is: 198,988,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,209,281.68 : 350,798,478 = 144,198,632.72 : x
  2. Step 2: Convert to fraction form
    254,209,281.68/350,798,478 = 144,198,632.72/x
  3. Step 3: Cross multiply
    254,209,281.68x = 350,798,478 × 144,198,632.72
  4. Step 4: Simplify right side
    254,209,281.68x = 50,584,660,887,857,000
  5. Step 5: Solve for x
    x = 50,584,660,887,857,000/254,209,281.68
  6. Step 6: Final answer
    x = 198,988,253.12

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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.