Home / 156,634,132.04-216,142,449.68-90,558,889.22

Finding the Fourth Proportional to 156,634,132.04, 216,142,449.68 and 90,558,889.22

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Solution

The fourth proportional to 156,634,132.04, 216,142,449.68 and 90,558,889.22 is: 124,963,951.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,634,132.04 : 216,142,449.68 = 90,558,889.22 : x
  2. Step 2: Convert to fraction form
    156,634,132.04/216,142,449.68 = 90,558,889.22/x
  3. Step 3: Cross multiply
    156,634,132.04x = 216,142,449.68 × 90,558,889.22
  4. Step 4: Simplify right side
    156,634,132.04x = 19,573,620,156,310,544
  5. Step 5: Solve for x
    x = 19,573,620,156,310,544/156,634,132.04
  6. Step 6: Final answer
    x = 124,963,951.99

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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.