Home / 86,588,280.40-119,487,580.76-47,430,230.88

Finding the Fourth Proportional to 86,588,280.40, 119,487,580.76 and 47,430,230.88

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Solution

The fourth proportional to 86,588,280.40, 119,487,580.76 and 47,430,230.88 is: 65,451,392.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,588,280.40 : 119,487,580.76 = 47,430,230.88 : x
  2. Step 2: Convert to fraction form
    86,588,280.40/119,487,580.76 = 47,430,230.88/x
  3. Step 3: Cross multiply
    86,588,280.40x = 119,487,580.76 × 47,430,230.88
  4. Step 4: Simplify right side
    86,588,280.40x = 5,667,323,542,739,446
  5. Step 5: Solve for x
    x = 5,667,323,542,739,446/86,588,280.40
  6. Step 6: Final answer
    x = 65,451,392.69

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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.