Home / 80,588,398.40-111,211,321.26-45,306,360.77

Finding the Fourth Proportional to 80,588,398.40, 111,211,321.26 and 45,306,360.77

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Solution

The fourth proportional to 80,588,398.40, 111,211,321.26 and 45,306,360.77 is: 62,522,402.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,588,398.40 : 111,211,321.26 = 45,306,360.77 : x
  2. Step 2: Convert to fraction form
    80,588,398.40/111,211,321.26 = 45,306,360.77/x
  3. Step 3: Cross multiply
    80,588,398.40x = 111,211,321.26 × 45,306,360.77
  4. Step 4: Simplify right side
    80,588,398.40x = 5,038,580,242,683,504
  5. Step 5: Solve for x
    x = 5,038,580,242,683,504/80,588,398.40
  6. Step 6: Final answer
    x = 62,522,402.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.