Home / 56,496,640.80-84,744,961.20-15,556,000.80

Finding the Fourth Proportional to 56,496,640.80, 84,744,961.20 and 15,556,000.80

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Solution

The fourth proportional to 56,496,640.80, 84,744,961.20 and 15,556,000.80 is: 23,334,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,496,640.80 : 84,744,961.20 = 15,556,000.80 : x
  2. Step 2: Convert to fraction form
    56,496,640.80/84,744,961.20 = 15,556,000.80/x
  3. Step 3: Cross multiply
    56,496,640.80x = 84,744,961.20 × 15,556,000.80
  4. Step 4: Simplify right side
    56,496,640.80x = 1,318,292,684,223,169
  5. Step 5: Solve for x
    x = 1,318,292,684,223,169/56,496,640.80
  6. Step 6: Final answer
    x = 23,334,001.20

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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.