Home / 112,327,254.60-168,490,881.90-91,919,920.20

Finding the Fourth Proportional to 112,327,254.60, 168,490,881.90 and 91,919,920.20

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Solution

The fourth proportional to 112,327,254.60, 168,490,881.90 and 91,919,920.20 is: 137,879,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,327,254.60 : 168,490,881.90 = 91,919,920.20 : x
  2. Step 2: Convert to fraction form
    112,327,254.60/168,490,881.90 = 91,919,920.20/x
  3. Step 3: Cross multiply
    112,327,254.60x = 168,490,881.90 × 91,919,920.20
  4. Step 4: Simplify right side
    112,327,254.60x = 15,487,668,418,675,626
  5. Step 5: Solve for x
    x = 15,487,668,418,675,626/112,327,254.60
  6. Step 6: Final answer
    x = 137,879,880.30

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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.