Home / 138,077,552.58-190,551,062.31-75,357,673.34

Finding the Fourth Proportional to 138,077,552.58, 190,551,062.31 and 75,357,673.34

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Solution

The fourth proportional to 138,077,552.58, 190,551,062.31 and 75,357,673.34 is: 103,995,793.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,077,552.58 : 190,551,062.31 = 75,357,673.34 : x
  2. Step 2: Convert to fraction form
    138,077,552.58/190,551,062.31 = 75,357,673.34/x
  3. Step 3: Cross multiply
    138,077,552.58x = 190,551,062.31 × 75,357,673.34
  4. Step 4: Simplify right side
    138,077,552.58x = 14,359,484,706,817,422
  5. Step 5: Solve for x
    x = 14,359,484,706,817,422/138,077,552.58
  6. Step 6: Final answer
    x = 103,995,793.95

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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.