Home / 108,220,815.83-149,468,840.25-71,216,295.20

Finding the Fourth Proportional to 108,220,815.83, 149,468,840.25 and 71,216,295.20

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Solution

The fourth proportional to 108,220,815.83, 149,468,840.25 and 71,216,295.20 is: 98,360,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,220,815.83 : 149,468,840.25 = 71,216,295.20 : x
  2. Step 2: Convert to fraction form
    108,220,815.83/149,468,840.25 = 71,216,295.20/x
  3. Step 3: Cross multiply
    108,220,815.83x = 149,468,840.25 × 71,216,295.20
  4. Step 4: Simplify right side
    108,220,815.83x = 10,644,617,050,445,642
  5. Step 5: Solve for x
    x = 10,644,617,050,445,642/108,220,815.83
  6. Step 6: Final answer
    x = 98,360,162.68

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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.