Home / 243,281,630.88-335,459,540.88-155,035,746.72

Finding the Fourth Proportional to 243,281,630.88, 335,459,540.88 and 155,035,746.72

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Solution

The fourth proportional to 243,281,630.88, 335,459,540.88 and 155,035,746.72 is: 213,777,835.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,281,630.88 : 335,459,540.88 = 155,035,746.72 : x
  2. Step 2: Convert to fraction form
    243,281,630.88/335,459,540.88 = 155,035,746.72/x
  3. Step 3: Cross multiply
    243,281,630.88x = 335,459,540.88 × 155,035,746.72
  4. Step 4: Simplify right side
    243,281,630.88x = 52,008,220,414,679,168
  5. Step 5: Solve for x
    x = 52,008,220,414,679,168/243,281,630.88
  6. Step 6: Final answer
    x = 213,777,835.29

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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.