Home / 131,203,422.10-181,059,646.27-71,664,756.15

Finding the Fourth Proportional to 131,203,422.10, 181,059,646.27 and 71,664,756.15

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Solution

The fourth proportional to 131,203,422.10, 181,059,646.27 and 71,664,756.15 is: 98,896,775.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,203,422.10 : 181,059,646.27 = 71,664,756.15 : x
  2. Step 2: Convert to fraction form
    131,203,422.10/181,059,646.27 = 71,664,756.15/x
  3. Step 3: Cross multiply
    131,203,422.10x = 181,059,646.27 × 71,664,756.15
  4. Step 4: Simplify right side
    131,203,422.10x = 12,975,595,398,467,570
  5. Step 5: Solve for x
    x = 12,975,595,398,467,570/131,203,422.10
  6. Step 6: Final answer
    x = 98,896,775.64

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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.