Home / 107,681,455.20-161,522,182.80-39,515,289.60

Finding the Fourth Proportional to 107,681,455.20, 161,522,182.80 and 39,515,289.60

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Solution

The fourth proportional to 107,681,455.20, 161,522,182.80 and 39,515,289.60 is: 59,272,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,681,455.20 : 161,522,182.80 = 39,515,289.60 : x
  2. Step 2: Convert to fraction form
    107,681,455.20/161,522,182.80 = 39,515,289.60/x
  3. Step 3: Cross multiply
    107,681,455.20x = 161,522,182.80 × 39,515,289.60
  4. Step 4: Simplify right side
    107,681,455.20x = 6,382,595,830,166,140
  5. Step 5: Solve for x
    x = 6,382,595,830,166,140/107,681,455.20
  6. Step 6: Final answer
    x = 59,272,934.40

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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.