Home / 124,489,513.80-186,734,270.70-79,251,856.20

Finding the Fourth Proportional to 124,489,513.80, 186,734,270.70 and 79,251,856.20

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Solution

The fourth proportional to 124,489,513.80, 186,734,270.70 and 79,251,856.20 is: 118,877,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,489,513.80 : 186,734,270.70 = 79,251,856.20 : x
  2. Step 2: Convert to fraction form
    124,489,513.80/186,734,270.70 = 79,251,856.20/x
  3. Step 3: Cross multiply
    124,489,513.80x = 186,734,270.70 × 79,251,856.20
  4. Step 4: Simplify right side
    124,489,513.80x = 14,799,037,569,128,272
  5. Step 5: Solve for x
    x = 14,799,037,569,128,272/124,489,513.80
  6. Step 6: Final answer
    x = 118,877,784.30

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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.