Home / 105,443,865.60-158,260,276.80-91,083,148.80

Finding the Fourth Proportional to 105,443,865.60, 158,260,276.80 and 91,083,148.80

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Solution

The fourth proportional to 105,443,865.60, 158,260,276.80 and 91,083,148.80 is: 136,706,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,443,865.60 : 158,260,276.80 = 91,083,148.80 : x
  2. Step 2: Convert to fraction form
    105,443,865.60/158,260,276.80 = 91,083,148.80/x
  3. Step 3: Cross multiply
    105,443,865.60x = 158,260,276.80 × 91,083,148.80
  4. Step 4: Simplify right side
    105,443,865.60x = 14,414,844,340,903,588
  5. Step 5: Solve for x
    x = 14,414,844,340,903,588/105,443,865.60
  6. Step 6: Final answer
    x = 136,706,334.30

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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.