Home / 117,889,713.97-176,005,661.40-90,078,077.84

Finding the Fourth Proportional to 117,889,713.97, 176,005,661.40 and 90,078,077.84

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Solution

The fourth proportional to 117,889,713.97, 176,005,661.40 and 90,078,077.84 is: 134,483,757.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,889,713.97 : 176,005,661.40 = 90,078,077.84 : x
  2. Step 2: Convert to fraction form
    117,889,713.97/176,005,661.40 = 90,078,077.84/x
  3. Step 3: Cross multiply
    117,889,713.97x = 176,005,661.40 × 90,078,077.84
  4. Step 4: Simplify right side
    117,889,713.97x = 15,854,251,666,989,854
  5. Step 5: Solve for x
    x = 15,854,251,666,989,854/117,889,713.97
  6. Step 6: Final answer
    x = 134,483,757.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.