Home / 180,060,689.76-248,346,655.13-154,985,476.55

Finding the Fourth Proportional to 180,060,689.76, 248,346,655.13 and 154,985,476.55

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Solution

The fourth proportional to 180,060,689.76, 248,346,655.13 and 154,985,476.55 is: 213,761,952.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,060,689.76 : 248,346,655.13 = 154,985,476.55 : x
  2. Step 2: Convert to fraction form
    180,060,689.76/248,346,655.13 = 154,985,476.55/x
  3. Step 3: Cross multiply
    180,060,689.76x = 248,346,655.13 × 154,985,476.55
  4. Step 4: Simplify right side
    180,060,689.76x = 38,490,124,694,146,624
  5. Step 5: Solve for x
    x = 38,490,124,694,146,624/180,060,689.76
  6. Step 6: Final answer
    x = 213,761,952.96

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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.