Home / 64,360,841.60-96,531,931.20-18,917,897.60

Finding the Fourth Proportional to 64,360,841.60, 96,531,931.20 and 18,917,897.60

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Solution

The fourth proportional to 64,360,841.60, 96,531,931.20 and 18,917,897.60 is: 28,374,103.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,360,841.60 : 96,531,931.20 = 18,917,897.60 : x
  2. Step 2: Convert to fraction form
    64,360,841.60/96,531,931.20 = 18,917,897.60/x
  3. Step 3: Cross multiply
    64,360,841.60x = 96,531,931.20 × 18,917,897.60
  4. Step 4: Simplify right side
    64,360,841.60x = 1,826,181,189,571,845.25
  5. Step 5: Solve for x
    x = 1,826,181,189,571,845.25/64,360,841.60
  6. Step 6: Final answer
    x = 28,374,103.63

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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.