Home / 86,439,194.85-119,284,685.34-47,280,629.07

Finding the Fourth Proportional to 86,439,194.85, 119,284,685.34 and 47,280,629.07

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Solution

The fourth proportional to 86,439,194.85, 119,284,685.34 and 47,280,629.07 is: 65,246,500.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,439,194.85 : 119,284,685.34 = 47,280,629.07 : x
  2. Step 2: Convert to fraction form
    86,439,194.85/119,284,685.34 = 47,280,629.07/x
  3. Step 3: Cross multiply
    86,439,194.85x = 119,284,685.34 × 47,280,629.07
  4. Step 4: Simplify right side
    86,439,194.85x = 5,639,854,961,114,905
  5. Step 5: Solve for x
    x = 5,639,854,961,114,905/86,439,194.85
  6. Step 6: Final answer
    x = 65,246,500.39

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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.