Home / 105,989,910.60-158,984,865.90-60,640,278.60

Finding the Fourth Proportional to 105,989,910.60, 158,984,865.90 and 60,640,278.60

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Solution

The fourth proportional to 105,989,910.60, 158,984,865.90 and 60,640,278.60 is: 90,960,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,989,910.60 : 158,984,865.90 = 60,640,278.60 : x
  2. Step 2: Convert to fraction form
    105,989,910.60/158,984,865.90 = 60,640,278.60/x
  3. Step 3: Cross multiply
    105,989,910.60x = 158,984,865.90 × 60,640,278.60
  4. Step 4: Simplify right side
    105,989,910.60x = 9,640,886,561,359,640
  5. Step 5: Solve for x
    x = 9,640,886,561,359,640/105,989,910.60
  6. Step 6: Final answer
    x = 90,960,417.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.