Home / 117,454,401.40-176,181,602.10-115,438,862.20

Finding the Fourth Proportional to 117,454,401.40, 176,181,602.10 and 115,438,862.20

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Solution

The fourth proportional to 117,454,401.40, 176,181,602.10 and 115,438,862.20 is: 173,158,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,454,401.40 : 176,181,602.10 = 115,438,862.20 : x
  2. Step 2: Convert to fraction form
    117,454,401.40/176,181,602.10 = 115,438,862.20/x
  3. Step 3: Cross multiply
    117,454,401.40x = 176,181,602.10 × 115,438,862.20
  4. Step 4: Simplify right side
    117,454,401.40x = 20,338,203,686,997,132
  5. Step 5: Solve for x
    x = 20,338,203,686,997,132/117,454,401.40
  6. Step 6: Final answer
    x = 173,158,293.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.