Home / 84,273,439.15-126,410,158.73-43,275,718.45

Finding the Fourth Proportional to 84,273,439.15, 126,410,158.73 and 43,275,718.45

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Solution

The fourth proportional to 84,273,439.15, 126,410,158.73 and 43,275,718.45 is: 64,913,577.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,273,439.15 : 126,410,158.73 = 43,275,718.45 : x
  2. Step 2: Convert to fraction form
    84,273,439.15/126,410,158.73 = 43,275,718.45/x
  3. Step 3: Cross multiply
    84,273,439.15x = 126,410,158.73 × 43,275,718.45
  4. Step 4: Simplify right side
    84,273,439.15x = 5,470,490,438,202,911
  5. Step 5: Solve for x
    x = 5,470,490,438,202,911/84,273,439.15
  6. Step 6: Final answer
    x = 64,913,577.68

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Double scale
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Similar ratio
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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.