Home / 148,375,409.40-222,459,434.10-87,759,934.20

Finding the Fourth Proportional to 148,375,409.40, 222,459,434.10 and 87,759,934.20

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Solution

The fourth proportional to 148,375,409.40, 222,459,434.10 and 87,759,934.20 is: 131,578,577.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,375,409.40 : 222,459,434.10 = 87,759,934.20 : x
  2. Step 2: Convert to fraction form
    148,375,409.40/222,459,434.10 = 87,759,934.20/x
  3. Step 3: Cross multiply
    148,375,409.40x = 222,459,434.10 × 87,759,934.20
  4. Step 4: Simplify right side
    148,375,409.40x = 19,523,025,298,785,236
  5. Step 5: Solve for x
    x = 19,523,025,298,785,236/148,375,409.40
  6. Step 6: Final answer
    x = 131,578,577.46

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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.