Home / 238,968,909.40-358,453,364.10-147,135,904.60

Finding the Fourth Proportional to 238,968,909.40, 358,453,364.10 and 147,135,904.60

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Solution

The fourth proportional to 238,968,909.40, 358,453,364.10 and 147,135,904.60 is: 220,703,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,968,909.40 : 358,453,364.10 = 147,135,904.60 : x
  2. Step 2: Convert to fraction form
    238,968,909.40/358,453,364.10 = 147,135,904.60/x
  3. Step 3: Cross multiply
    238,968,909.40x = 358,453,364.10 × 147,135,904.60
  4. Step 4: Simplify right side
    238,968,909.40x = 52,741,359,983,766,664
  5. Step 5: Solve for x
    x = 52,741,359,983,766,664/238,968,909.40
  6. Step 6: Final answer
    x = 220,703,856.90

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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.