Home / 90,248,067.76-124,422,056.76-71,725,048.24

Finding the Fourth Proportional to 90,248,067.76, 124,422,056.76 and 71,725,048.24

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Solution

The fourth proportional to 90,248,067.76, 124,422,056.76 and 71,725,048.24 is: 98,884,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,248,067.76 : 124,422,056.76 = 71,725,048.24 : x
  2. Step 2: Convert to fraction form
    90,248,067.76/124,422,056.76 = 71,725,048.24/x
  3. Step 3: Cross multiply
    90,248,067.76x = 124,422,056.76 × 71,725,048.24
  4. Step 4: Simplify right side
    90,248,067.76x = 8,924,178,023,231,018
  5. Step 5: Solve for x
    x = 8,924,178,023,231,018/90,248,067.76
  6. Step 6: Final answer
    x = 98,884,976.10

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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.