Home / 96,710,657.90-145,065,986.85-87,782,449.10

Finding the Fourth Proportional to 96,710,657.90, 145,065,986.85 and 87,782,449.10

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Solution

The fourth proportional to 96,710,657.90, 145,065,986.85 and 87,782,449.10 is: 131,673,673.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,710,657.90 : 145,065,986.85 = 87,782,449.10 : x
  2. Step 2: Convert to fraction form
    96,710,657.90/145,065,986.85 = 87,782,449.10/x
  3. Step 3: Cross multiply
    96,710,657.90x = 145,065,986.85 × 87,782,449.10
  4. Step 4: Simplify right side
    96,710,657.90x = 12,734,247,606,801,392
  5. Step 5: Solve for x
    x = 12,734,247,606,801,392/96,710,657.90
  6. Step 6: Final answer
    x = 131,673,673.65

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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.