Home / 87,387,780,734.56-120,595,137,547.44-47,289,760,108.48

Finding the Fourth Proportional to 87,387,780,734.56, 120,595,137,547.44 and 47,289,760,108.48

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Solution

The fourth proportional to 87,387,780,734.56, 120,595,137,547.44 and 47,289,760,108.48 is: 65,259,869,022.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,387,780,734.56 : 120,595,137,547.44 = 47,289,760,108.48 : x
  2. Step 2: Convert to fraction form
    87,387,780,734.56/120,595,137,547.44 = 47,289,760,108.48/x
  3. Step 3: Cross multiply
    87,387,780,734.56x = 120,595,137,547.44 × 47,289,760,108.48
  4. Step 4: Simplify right side
    87,387,780,734.56x = 5,702,915,124,867,587,112,960
  5. Step 5: Solve for x
    x = 5,702,915,124,867,587,112,960/87,387,780,734.56
  6. Step 6: Final answer
    x = 65,259,869,022.08

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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.