Home / 72,929,898.96-100,674,249.48-45,441,408.48

Finding the Fourth Proportional to 72,929,898.96, 100,674,249.48 and 45,441,408.48

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Solution

The fourth proportional to 72,929,898.96, 100,674,249.48 and 45,441,408.48 is: 62,728,452.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,929,898.96 : 100,674,249.48 = 45,441,408.48 : x
  2. Step 2: Convert to fraction form
    72,929,898.96/100,674,249.48 = 45,441,408.48/x
  3. Step 3: Cross multiply
    72,929,898.96x = 100,674,249.48 × 45,441,408.48
  4. Step 4: Simplify right side
    72,929,898.96x = 4,574,779,694,038,107
  5. Step 5: Solve for x
    x = 4,574,779,694,038,107/72,929,898.96
  6. Step 6: Final answer
    x = 62,728,452.38

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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.