Home / 91,181,850-136,827,269.19-83,764,071.55

Finding the Fourth Proportional to 91,181,850, 136,827,269.19 and 83,764,071.55

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Solution

The fourth proportional to 91,181,850, 136,827,269.19 and 83,764,071.55 is: 125,696,168.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,181,850 : 136,827,269.19 = 83,764,071.55 : x
  2. Step 2: Convert to fraction form
    91,181,850/136,827,269.19 = 83,764,071.55/x
  3. Step 3: Cross multiply
    91,181,850x = 136,827,269.19 × 83,764,071.55
  4. Step 4: Simplify right side
    91,181,850x = 11,461,209,166,422,270
  5. Step 5: Solve for x
    x = 11,461,209,166,422,270/91,181,850
  6. Step 6: Final answer
    x = 125,696,168.33

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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.