Home / 124,489,411.80-186,734,117.70-79,251,754.20

Finding the Fourth Proportional to 124,489,411.80, 186,734,117.70 and 79,251,754.20

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Solution

The fourth proportional to 124,489,411.80, 186,734,117.70 and 79,251,754.20 is: 118,877,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,489,411.80 : 186,734,117.70 = 79,251,754.20 : x
  2. Step 2: Convert to fraction form
    124,489,411.80/186,734,117.70 = 79,251,754.20/x
  3. Step 3: Cross multiply
    124,489,411.80x = 186,734,117.70 × 79,251,754.20
  4. Step 4: Simplify right side
    124,489,411.80x = 14,799,006,396,714,268
  5. Step 5: Solve for x
    x = 14,799,006,396,714,268/124,489,411.80
  6. Step 6: Final answer
    x = 118,877,631.30

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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.