Home / 84,234,929.10-126,927,358.85-69,218,601.54

Finding the Fourth Proportional to 84,234,929.10, 126,927,358.85 and 69,218,601.54

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Solution

The fourth proportional to 84,234,929.10, 126,927,358.85 and 69,218,601.54 is: 104,300,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,234,929.10 : 126,927,358.85 = 69,218,601.54 : x
  2. Step 2: Convert to fraction form
    84,234,929.10/126,927,358.85 = 69,218,601.54/x
  3. Step 3: Cross multiply
    84,234,929.10x = 126,927,358.85 × 69,218,601.54
  4. Step 4: Simplify right side
    84,234,929.10x = 8,785,734,276,416,650
  5. Step 5: Solve for x
    x = 8,785,734,276,416,650/84,234,929.10
  6. Step 6: Final answer
    x = 104,300,370.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.