Home / 151,531,272.20-209,108,064.30-95,806,687.16

Finding the Fourth Proportional to 151,531,272.20, 209,108,064.30 and 95,806,687.16

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Solution

The fourth proportional to 151,531,272.20, 209,108,064.30 and 95,806,687.16 is: 132,210,009.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,531,272.20 : 209,108,064.30 = 95,806,687.16 : x
  2. Step 2: Convert to fraction form
    151,531,272.20/209,108,064.30 = 95,806,687.16/x
  3. Step 3: Cross multiply
    151,531,272.20x = 209,108,064.30 × 95,806,687.16
  4. Step 4: Simplify right side
    151,531,272.20x = 20,033,950,899,023,264
  5. Step 5: Solve for x
    x = 20,033,950,899,023,264/151,531,272.20
  6. Step 6: Final answer
    x = 132,210,009.25

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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.