Home / 138,077,550.33-190,551,059.20-75,357,671.09

Finding the Fourth Proportional to 138,077,550.33, 190,551,059.20 and 75,357,671.09

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Solution

The fourth proportional to 138,077,550.33, 190,551,059.20 and 75,357,671.09 is: 103,995,790.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,077,550.33 : 190,551,059.20 = 75,357,671.09 : x
  2. Step 2: Convert to fraction form
    138,077,550.33/190,551,059.20 = 75,357,671.09/x
  3. Step 3: Cross multiply
    138,077,550.33x = 190,551,059.20 × 75,357,671.09
  4. Step 4: Simplify right side
    138,077,550.33x = 14,359,484,044,091,962
  5. Step 5: Solve for x
    x = 14,359,484,044,091,962/138,077,550.33
  6. Step 6: Final answer
    x = 103,995,790.84

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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.