Home / 142,465,254.60-213,734,725.62-83,427,493.92

Finding the Fourth Proportional to 142,465,254.60, 213,734,725.62 and 83,427,493.92

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Solution

The fourth proportional to 142,465,254.60, 213,734,725.62 and 83,427,493.92 is: 125,162,816.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,465,254.60 : 213,734,725.62 = 83,427,493.92 : x
  2. Step 2: Convert to fraction form
    142,465,254.60/213,734,725.62 = 83,427,493.92/x
  3. Step 3: Cross multiply
    142,465,254.60x = 213,734,725.62 × 83,427,493.92
  4. Step 4: Simplify right side
    142,465,254.60x = 17,831,352,522,155,420
  5. Step 5: Solve for x
    x = 17,831,352,522,155,420/142,465,254.60
  6. Step 6: Final answer
    x = 125,162,816.52

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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.