Home / 150,045,959.20-225,068,938.80-139,968,263.20

Finding the Fourth Proportional to 150,045,959.20, 225,068,938.80 and 139,968,263.20

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Solution

The fourth proportional to 150,045,959.20, 225,068,938.80 and 139,968,263.20 is: 209,952,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,045,959.20 : 225,068,938.80 = 139,968,263.20 : x
  2. Step 2: Convert to fraction form
    150,045,959.20/225,068,938.80 = 139,968,263.20/x
  3. Step 3: Cross multiply
    150,045,959.20x = 225,068,938.80 × 139,968,263.20
  4. Step 4: Simplify right side
    150,045,959.20x = 31,502,508,464,103,092
  5. Step 5: Solve for x
    x = 31,502,508,464,103,092/150,045,959.20
  6. Step 6: Final answer
    x = 209,952,394.80

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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.