Home / 64,671,102.60-96,847,221.60-42,988,309.80

Finding the Fourth Proportional to 64,671,102.60, 96,847,221.60 and 42,988,309.80

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Solution

The fourth proportional to 64,671,102.60, 96,847,221.60 and 42,988,309.80 is: 64,376,486.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,671,102.60 : 96,847,221.60 = 42,988,309.80 : x
  2. Step 2: Convert to fraction form
    64,671,102.60/96,847,221.60 = 42,988,309.80/x
  3. Step 3: Cross multiply
    64,671,102.60x = 96,847,221.60 × 42,988,309.80
  4. Step 4: Simplify right side
    64,671,102.60x = 4,163,298,365,410,051
  5. Step 5: Solve for x
    x = 4,163,298,365,410,051/64,671,102.60
  6. Step 6: Final answer
    x = 64,376,486.53

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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.