Home / 78,396,132.04-108,183,830.92-43,113,632.83

Finding the Fourth Proportional to 78,396,132.04, 108,183,830.92 and 43,113,632.83

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Solution

The fourth proportional to 78,396,132.04, 108,183,830.92 and 43,113,632.83 is: 59,495,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,396,132.04 : 108,183,830.92 = 43,113,632.83 : x
  2. Step 2: Convert to fraction form
    78,396,132.04/108,183,830.92 = 43,113,632.83/x
  3. Step 3: Cross multiply
    78,396,132.04x = 108,183,830.92 × 43,113,632.83
  4. Step 4: Simplify right side
    78,396,132.04x = 4,664,197,964,427,681
  5. Step 5: Solve for x
    x = 4,664,197,964,427,681/78,396,132.04
  6. Step 6: Final answer
    x = 59,495,256.25

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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.