Home / 113,836,678.88-157,094,665.44-61,625,713.28

Finding the Fourth Proportional to 113,836,678.88, 157,094,665.44 and 61,625,713.28

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Solution

The fourth proportional to 113,836,678.88, 157,094,665.44 and 61,625,713.28 is: 85,043,510.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,836,678.88 : 157,094,665.44 = 61,625,713.28 : x
  2. Step 2: Convert to fraction form
    113,836,678.88/157,094,665.44 = 61,625,713.28/x
  3. Step 3: Cross multiply
    113,836,678.88x = 157,094,665.44 × 61,625,713.28
  4. Step 4: Simplify right side
    113,836,678.88x = 9,681,070,810,222,966
  5. Step 5: Solve for x
    x = 9,681,070,810,222,966/113,836,678.88
  6. Step 6: Final answer
    x = 85,043,510.63

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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.