Home / 107,985,810.40-161,992,923.60-39,876,344.80

Finding the Fourth Proportional to 107,985,810.40, 161,992,923.60 and 39,876,344.80

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Solution

The fourth proportional to 107,985,810.40, 161,992,923.60 and 39,876,344.80 is: 59,819,763.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,985,810.40 : 161,992,923.60 = 39,876,344.80 : x
  2. Step 2: Convert to fraction form
    107,985,810.40/161,992,923.60 = 39,876,344.80/x
  3. Step 3: Cross multiply
    107,985,810.40x = 161,992,923.60 × 39,876,344.80
  4. Step 4: Simplify right side
    107,985,810.40x = 6,459,685,676,633,657
  5. Step 5: Solve for x
    x = 6,459,685,676,633,657/107,985,810.40
  6. Step 6: Final answer
    x = 59,819,763.84

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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.