Home / 78,846,585.20-108,807,129.60-44,039,783.60

Finding the Fourth Proportional to 78,846,585.20, 108,807,129.60 and 44,039,783.60

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Solution

The fourth proportional to 78,846,585.20, 108,807,129.60 and 44,039,783.60 is: 60,774,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,846,585.20 : 108,807,129.60 = 44,039,783.60 : x
  2. Step 2: Convert to fraction form
    78,846,585.20/108,807,129.60 = 44,039,783.60/x
  3. Step 3: Cross multiply
    78,846,585.20x = 108,807,129.60 × 44,039,783.60
  4. Step 4: Simplify right side
    78,846,585.20x = 4,791,842,441,721,154
  5. Step 5: Solve for x
    x = 4,791,842,441,721,154/78,846,585.20
  6. Step 6: Final answer
    x = 60,774,254.58

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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.