Home / 56,479,467.60-84,731,011.20-18,144,856.80

Finding the Fourth Proportional to 56,479,467.60, 84,731,011.20 and 18,144,856.80

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Solution

The fourth proportional to 56,479,467.60, 84,731,011.20 and 18,144,856.80 is: 27,221,079.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,479,467.60 : 84,731,011.20 = 18,144,856.80 : x
  2. Step 2: Convert to fraction form
    56,479,467.60/84,731,011.20 = 18,144,856.80/x
  3. Step 3: Cross multiply
    56,479,467.60x = 84,731,011.20 × 18,144,856.80
  4. Step 4: Simplify right side
    56,479,467.60x = 1,537,432,064,743,196.25
  5. Step 5: Solve for x
    x = 1,537,432,064,743,196.25/56,479,467.60
  6. Step 6: Final answer
    x = 27,221,079.27

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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.