Home / 100,003,934,872.18-138,005,532,260.06-54,278,219,710.41

Finding the Fourth Proportional to 100,003,934,872.18, 138,005,532,260.06 and 54,278,219,710.41

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Solution

The fourth proportional to 100,003,934,872.18, 138,005,532,260.06 and 54,278,219,710.41 is: 74,903,998,636.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,003,934,872.18 : 138,005,532,260.06 = 54,278,219,710.41 : x
  2. Step 2: Convert to fraction form
    100,003,934,872.18/138,005,532,260.06 = 54,278,219,710.41/x
  3. Step 3: Cross multiply
    100,003,934,872.18x = 138,005,532,260.06 × 54,278,219,710.41
  4. Step 4: Simplify right side
    100,003,934,872.18x = 7,490,694,601,262,921,416,704
  5. Step 5: Solve for x
    x = 7,490,694,601,262,921,416,704/100,003,934,872.18
  6. Step 6: Final answer
    x = 74,903,998,636.03

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1.5x scale

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.