Home / 86,373,210.85-119,195,039.95-47,215,147.16

Finding the Fourth Proportional to 86,373,210.85, 119,195,039.95 and 47,215,147.16

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Solution

The fourth proportional to 86,373,210.85, 119,195,039.95 and 47,215,147.16 is: 65,156,907.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,373,210.85 : 119,195,039.95 = 47,215,147.16 : x
  2. Step 2: Convert to fraction form
    86,373,210.85/119,195,039.95 = 47,215,147.16/x
  3. Step 3: Cross multiply
    86,373,210.85x = 119,195,039.95 × 47,215,147.16
  4. Step 4: Simplify right side
    86,373,210.85x = 5,627,811,352,161,279
  5. Step 5: Solve for x
    x = 5,627,811,352,161,279/86,373,210.85
  6. Step 6: Final answer
    x = 65,156,907.99

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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.