Home / 87,131,981.40-130,725,965.70-58,410,547.80

Finding the Fourth Proportional to 87,131,981.40, 130,725,965.70 and 58,410,547.80

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Solution

The fourth proportional to 87,131,981.40, 130,725,965.70 and 58,410,547.80 is: 87,634,587.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,131,981.40 : 130,725,965.70 = 58,410,547.80 : x
  2. Step 2: Convert to fraction form
    87,131,981.40/130,725,965.70 = 58,410,547.80/x
  3. Step 3: Cross multiply
    87,131,981.40x = 130,725,965.70 × 58,410,547.80
  4. Step 4: Simplify right side
    87,131,981.40x = 7,635,775,268,221,010
  5. Step 5: Solve for x
    x = 7,635,775,268,221,010/87,131,981.40
  6. Step 6: Final answer
    x = 87,634,587.73

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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.