Home / 78,615,261.60-117,922,892.40-24,027,741.60

Finding the Fourth Proportional to 78,615,261.60, 117,922,892.40 and 24,027,741.60

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Solution

The fourth proportional to 78,615,261.60, 117,922,892.40 and 24,027,741.60 is: 36,041,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,615,261.60 : 117,922,892.40 = 24,027,741.60 : x
  2. Step 2: Convert to fraction form
    78,615,261.60/117,922,892.40 = 24,027,741.60/x
  3. Step 3: Cross multiply
    78,615,261.60x = 117,922,892.40 × 24,027,741.60
  4. Step 4: Simplify right side
    78,615,261.60x = 2,833,420,787,311,804
  5. Step 5: Solve for x
    x = 2,833,420,787,311,804/78,615,261.60
  6. Step 6: Final answer
    x = 36,041,612.40

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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.