Home / 87,795,331.56-121,157,563.08-48,103,031.16

Finding the Fourth Proportional to 87,795,331.56, 121,157,563.08 and 48,103,031.16

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Solution

The fourth proportional to 87,795,331.56, 121,157,563.08 and 48,103,031.16 is: 66,382,186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,795,331.56 : 121,157,563.08 = 48,103,031.16 : x
  2. Step 2: Convert to fraction form
    87,795,331.56/121,157,563.08 = 48,103,031.16/x
  3. Step 3: Cross multiply
    87,795,331.56x = 121,157,563.08 × 48,103,031.16
  4. Step 4: Simplify right side
    87,795,331.56x = 5,828,046,032,106,905
  5. Step 5: Solve for x
    x = 5,828,046,032,106,905/87,795,331.56
  6. Step 6: Final answer
    x = 66,382,186.03

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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.