Home / 124,627,742.34-171,992,868.75-75,083,712.27

Finding the Fourth Proportional to 124,627,742.34, 171,992,868.75 and 75,083,712.27

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Solution

The fourth proportional to 124,627,742.34, 171,992,868.75 and 75,083,712.27 is: 103,619,489.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,627,742.34 : 171,992,868.75 = 75,083,712.27 : x
  2. Step 2: Convert to fraction form
    124,627,742.34/171,992,868.75 = 75,083,712.27/x
  3. Step 3: Cross multiply
    124,627,742.34x = 171,992,868.75 × 75,083,712.27
  4. Step 4: Simplify right side
    124,627,742.34x = 12,913,863,069,716,874
  5. Step 5: Solve for x
    x = 12,913,863,069,716,874/124,627,742.34
  6. Step 6: Final answer
    x = 103,619,489.75

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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.