Home / 126,984,941.28-175,276,513.52-82,938,673.76

Finding the Fourth Proportional to 126,984,941.28, 175,276,513.52 and 82,938,673.76

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Solution

The fourth proportional to 126,984,941.28, 175,276,513.52 and 82,938,673.76 is: 114,479,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,984,941.28 : 175,276,513.52 = 82,938,673.76 : x
  2. Step 2: Convert to fraction form
    126,984,941.28/175,276,513.52 = 82,938,673.76/x
  3. Step 3: Cross multiply
    126,984,941.28x = 175,276,513.52 × 82,938,673.76
  4. Step 4: Simplify right side
    126,984,941.28x = 14,537,201,572,625,512
  5. Step 5: Solve for x
    x = 14,537,201,572,625,512/126,984,941.28
  6. Step 6: Final answer
    x = 114,479,728.27

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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.