Home / 82,343,366.75-113,626,608.91-47,054,168.86

Finding the Fourth Proportional to 82,343,366.75, 113,626,608.91 and 47,054,168.86

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Solution

The fourth proportional to 82,343,366.75, 113,626,608.91 and 47,054,168.86 is: 64,930,617.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,343,366.75 : 113,626,608.91 = 47,054,168.86 : x
  2. Step 2: Convert to fraction form
    82,343,366.75/113,626,608.91 = 47,054,168.86/x
  3. Step 3: Cross multiply
    82,343,366.75x = 113,626,608.91 × 47,054,168.86
  4. Step 4: Simplify right side
    82,343,366.75x = 5,346,605,642,806,751
  5. Step 5: Solve for x
    x = 5,346,605,642,806,751/82,343,366.75
  6. Step 6: Final answer
    x = 64,930,617.41

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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.