Home / 124,403,256.80-186,604,885.20-79,165,599.20

Finding the Fourth Proportional to 124,403,256.80, 186,604,885.20 and 79,165,599.20

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Solution

The fourth proportional to 124,403,256.80, 186,604,885.20 and 79,165,599.20 is: 118,748,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,403,256.80 : 186,604,885.20 = 79,165,599.20 : x
  2. Step 2: Convert to fraction form
    124,403,256.80/186,604,885.20 = 79,165,599.20/x
  3. Step 3: Cross multiply
    124,403,256.80x = 186,604,885.20 × 79,165,599.20
  4. Step 4: Simplify right side
    124,403,256.80x = 14,772,687,550,505,212
  5. Step 5: Solve for x
    x = 14,772,687,550,505,212/124,403,256.80
  6. Step 6: Final answer
    x = 118,748,398.80

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1.5x scale

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.