Home / 107,892,321.80-161,838,482.70-43,206,110.60

Finding the Fourth Proportional to 107,892,321.80, 161,838,482.70 and 43,206,110.60

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Solution

The fourth proportional to 107,892,321.80, 161,838,482.70 and 43,206,110.60 is: 64,809,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,892,321.80 : 161,838,482.70 = 43,206,110.60 : x
  2. Step 2: Convert to fraction form
    107,892,321.80/161,838,482.70 = 43,206,110.60/x
  3. Step 3: Cross multiply
    107,892,321.80x = 161,838,482.70 × 43,206,110.60
  4. Step 4: Simplify right side
    107,892,321.80x = 6,992,411,382,872,386
  5. Step 5: Solve for x
    x = 6,992,411,382,872,386/107,892,321.80
  6. Step 6: Final answer
    x = 64,809,165.90

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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.