Home / 138,600,595.60-191,268,825.60-76,720,934.16

Finding the Fourth Proportional to 138,600,595.60, 191,268,825.60 and 76,720,934.16

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Solution

The fourth proportional to 138,600,595.60, 191,268,825.60 and 76,720,934.16 is: 105,874,891.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,600,595.60 : 191,268,825.60 = 76,720,934.16 : x
  2. Step 2: Convert to fraction form
    138,600,595.60/191,268,825.60 = 76,720,934.16/x
  3. Step 3: Cross multiply
    138,600,595.60x = 191,268,825.60 × 76,720,934.16
  4. Step 4: Simplify right side
    138,600,595.60x = 14,674,322,975,718,122
  5. Step 5: Solve for x
    x = 14,674,322,975,718,122/138,600,595.60
  6. Step 6: Final answer
    x = 105,874,891.17

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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.