Home / 136,810,873.59-188,799,187.61-74,087,079.69

Finding the Fourth Proportional to 136,810,873.59, 188,799,187.61 and 74,087,079.69

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Solution

The fourth proportional to 136,810,873.59, 188,799,187.61 and 74,087,079.69 is: 102,240,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,810,873.59 : 188,799,187.61 = 74,087,079.69 : x
  2. Step 2: Convert to fraction form
    136,810,873.59/188,799,187.61 = 74,087,079.69/x
  3. Step 3: Cross multiply
    136,810,873.59x = 188,799,187.61 × 74,087,079.69
  4. Step 4: Simplify right side
    136,810,873.59x = 13,987,580,457,869,332
  5. Step 5: Solve for x
    x = 13,987,580,457,869,332/136,810,873.59
  6. Step 6: Final answer
    x = 102,240,268.56

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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.