Home / 157,023,073.20-216,712,180.44-90,068,153.52

Finding the Fourth Proportional to 157,023,073.20, 216,712,180.44 and 90,068,153.52

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Solution

The fourth proportional to 157,023,073.20, 216,712,180.44 and 90,068,153.52 is: 124,305,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,023,073.20 : 216,712,180.44 = 90,068,153.52 : x
  2. Step 2: Convert to fraction form
    157,023,073.20/216,712,180.44 = 90,068,153.52/x
  3. Step 3: Cross multiply
    157,023,073.20x = 216,712,180.44 × 90,068,153.52
  4. Step 4: Simplify right side
    157,023,073.20x = 19,518,865,937,523,860
  5. Step 5: Solve for x
    x = 19,518,865,937,523,860/157,023,073.20
  6. Step 6: Final answer
    x = 124,305,718.51

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1.5x scale

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.