Home / 56,376,670.20-84,565,005.30-42,939,742.20

Finding the Fourth Proportional to 56,376,670.20, 84,565,005.30 and 42,939,742.20

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Solution

The fourth proportional to 56,376,670.20, 84,565,005.30 and 42,939,742.20 is: 64,409,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,376,670.20 : 84,565,005.30 = 42,939,742.20 : x
  2. Step 2: Convert to fraction form
    56,376,670.20/84,565,005.30 = 42,939,742.20/x
  3. Step 3: Cross multiply
    56,376,670.20x = 84,565,005.30 × 42,939,742.20
  4. Step 4: Simplify right side
    56,376,670.20x = 3,631,199,526,723,634
  5. Step 5: Solve for x
    x = 3,631,199,526,723,634/56,376,670.20
  6. Step 6: Final answer
    x = 64,409,613.30

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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.