Home / 91,775,109.60-137,662,664.40-40,602,808.80

Finding the Fourth Proportional to 91,775,109.60, 137,662,664.40 and 40,602,808.80

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Solution

The fourth proportional to 91,775,109.60, 137,662,664.40 and 40,602,808.80 is: 60,904,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,775,109.60 : 137,662,664.40 = 40,602,808.80 : x
  2. Step 2: Convert to fraction form
    91,775,109.60/137,662,664.40 = 40,602,808.80/x
  3. Step 3: Cross multiply
    91,775,109.60x = 137,662,664.40 × 40,602,808.80
  4. Step 4: Simplify right side
    91,775,109.60x = 5,589,490,841,531,767
  5. Step 5: Solve for x
    x = 5,589,490,841,531,767/91,775,109.60
  6. Step 6: Final answer
    x = 60,904,213.20

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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.