Home / 105,825,829.20-158,738,743.80-75,368,792.40

Finding the Fourth Proportional to 105,825,829.20, 158,738,743.80 and 75,368,792.40

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Solution

The fourth proportional to 105,825,829.20, 158,738,743.80 and 75,368,792.40 is: 113,053,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,825,829.20 : 158,738,743.80 = 75,368,792.40 : x
  2. Step 2: Convert to fraction form
    105,825,829.20/158,738,743.80 = 75,368,792.40/x
  3. Step 3: Cross multiply
    105,825,829.20x = 158,738,743.80 × 75,368,792.40
  4. Step 4: Simplify right side
    105,825,829.20x = 11,963,947,427,298,988
  5. Step 5: Solve for x
    x = 11,963,947,427,298,988/105,825,829.20
  6. Step 6: Final answer
    x = 113,053,188.60

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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.