Home / 103,488,009.60-155,210,241.60-52,321,929.60

Finding the Fourth Proportional to 103,488,009.60, 155,210,241.60 and 52,321,929.60

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Solution

The fourth proportional to 103,488,009.60, 155,210,241.60 and 52,321,929.60 is: 78,471,886.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,488,009.60 : 155,210,241.60 = 52,321,929.60 : x
  2. Step 2: Convert to fraction form
    103,488,009.60/155,210,241.60 = 52,321,929.60/x
  3. Step 3: Cross multiply
    103,488,009.60x = 155,210,241.60 × 52,321,929.60
  4. Step 4: Simplify right side
    103,488,009.60x = 8,120,899,334,194,191
  5. Step 5: Solve for x
    x = 8,120,899,334,194,191/103,488,009.60
  6. Step 6: Final answer
    x = 78,471,886.41

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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.