Home / 84,019,719.60-126,029,579.40-26,517,803.40

Finding the Fourth Proportional to 84,019,719.60, 126,029,579.40 and 26,517,803.40

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Solution

The fourth proportional to 84,019,719.60, 126,029,579.40 and 26,517,803.40 is: 39,776,705.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,019,719.60 : 126,029,579.40 = 26,517,803.40 : x
  2. Step 2: Convert to fraction form
    84,019,719.60/126,029,579.40 = 26,517,803.40/x
  3. Step 3: Cross multiply
    84,019,719.60x = 126,029,579.40 × 26,517,803.40
  4. Step 4: Simplify right side
    84,019,719.60x = 3,342,027,609,113,890
  5. Step 5: Solve for x
    x = 3,342,027,609,113,890/84,019,719.60
  6. Step 6: Final answer
    x = 39,776,705.10

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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.