Home / 280,053,386.20-420,080,079.30-150,913,223.20

Finding the Fourth Proportional to 280,053,386.20, 420,080,079.30 and 150,913,223.20

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Solution

The fourth proportional to 280,053,386.20, 420,080,079.30 and 150,913,223.20 is: 226,369,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,053,386.20 : 420,080,079.30 = 150,913,223.20 : x
  2. Step 2: Convert to fraction form
    280,053,386.20/420,080,079.30 = 150,913,223.20/x
  3. Step 3: Cross multiply
    280,053,386.20x = 420,080,079.30 × 150,913,223.20
  4. Step 4: Simplify right side
    280,053,386.20x = 63,395,638,769,274,600
  5. Step 5: Solve for x
    x = 63,395,638,769,274,600/280,053,386.20
  6. Step 6: Final answer
    x = 226,369,834.80

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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.