Home / 64,360,961.60-96,532,111.20-18,918,017.60

Finding the Fourth Proportional to 64,360,961.60, 96,532,111.20 and 18,918,017.60

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Solution

The fourth proportional to 64,360,961.60, 96,532,111.20 and 18,918,017.60 is: 28,374,283.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,360,961.60 : 96,532,111.20 = 18,918,017.60 : x
  2. Step 2: Convert to fraction form
    64,360,961.60/96,532,111.20 = 18,918,017.60/x
  3. Step 3: Cross multiply
    64,360,961.60x = 96,532,111.20 × 18,918,017.60
  4. Step 4: Simplify right side
    64,360,961.60x = 1,826,196,178,646,757.25
  5. Step 5: Solve for x
    x = 1,826,196,178,646,757.25/64,360,961.60
  6. Step 6: Final answer
    x = 28,374,283.62

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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.