Home / 87,015,486.06-130,531,751.10-31,698,353.70

Finding the Fourth Proportional to 87,015,486.06, 130,531,751.10 and 31,698,353.70

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Solution

The fourth proportional to 87,015,486.06, 130,531,751.10 and 31,698,353.70 is: 47,550,634.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,015,486.06 : 130,531,751.10 = 31,698,353.70 : x
  2. Step 2: Convert to fraction form
    87,015,486.06/130,531,751.10 = 31,698,353.70/x
  3. Step 3: Cross multiply
    87,015,486.06x = 130,531,751.10 × 31,698,353.70
  4. Step 4: Simplify right side
    87,015,486.06x = 4,137,641,615,448,164
  5. Step 5: Solve for x
    x = 4,137,641,615,448,164/87,015,486.06
  6. Step 6: Final answer
    x = 47,550,634.98

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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.