Home / 76,310,693.28-105,336,151.20-45,370,788.96

Finding the Fourth Proportional to 76,310,693.28, 105,336,151.20 and 45,370,788.96

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Solution

The fourth proportional to 76,310,693.28, 105,336,151.20 and 45,370,788.96 is: 62,627,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,310,693.28 : 105,336,151.20 = 45,370,788.96 : x
  2. Step 2: Convert to fraction form
    76,310,693.28/105,336,151.20 = 45,370,788.96/x
  3. Step 3: Cross multiply
    76,310,693.28x = 105,336,151.20 × 45,370,788.96
  4. Step 4: Simplify right side
    76,310,693.28x = 4,779,184,285,953,851
  5. Step 5: Solve for x
    x = 4,779,184,285,953,851/76,310,693.28
  6. Step 6: Final answer
    x = 62,627,976.24

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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.