Home / 138,694,501.60-191,397,934.46-79,956,886.66

Finding the Fourth Proportional to 138,694,501.60, 191,397,934.46 and 79,956,886.66

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Solution

The fourth proportional to 138,694,501.60, 191,397,934.46 and 79,956,886.66 is: 110,340,228.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,694,501.60 : 191,397,934.46 = 79,956,886.66 : x
  2. Step 2: Convert to fraction form
    138,694,501.60/191,397,934.46 = 79,956,886.66/x
  3. Step 3: Cross multiply
    138,694,501.60x = 191,397,934.46 × 79,956,886.66
  4. Step 4: Simplify right side
    138,694,501.60x = 15,303,582,952,297,726
  5. Step 5: Solve for x
    x = 15,303,582,952,297,726/138,694,501.60
  6. Step 6: Final answer
    x = 110,340,228.17

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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.