Home / 64,121,799.60-96,173,368.20-18,678,855.60

Finding the Fourth Proportional to 64,121,799.60, 96,173,368.20 and 18,678,855.60

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Solution

The fourth proportional to 64,121,799.60, 96,173,368.20 and 18,678,855.60 is: 28,015,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,121,799.60 : 96,173,368.20 = 18,678,855.60 : x
  2. Step 2: Convert to fraction form
    64,121,799.60/96,173,368.20 = 18,678,855.60/x
  3. Step 3: Cross multiply
    64,121,799.60x = 96,173,368.20 × 18,678,855.60
  4. Step 4: Simplify right side
    64,121,799.60x = 1,796,408,457,173,432
  5. Step 5: Solve for x
    x = 1,796,408,457,173,432/64,121,799.60
  6. Step 6: Final answer
    x = 28,015,565.20

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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.