Home / 71,540,271.86-98,746,984.32-41,778,947.88

Finding the Fourth Proportional to 71,540,271.86, 98,746,984.32 and 41,778,947.88

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Solution

The fourth proportional to 71,540,271.86, 98,746,984.32 and 41,778,947.88 is: 57,667,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,540,271.86 : 98,746,984.32 = 41,778,947.88 : x
  2. Step 2: Convert to fraction form
    71,540,271.86/98,746,984.32 = 41,778,947.88/x
  3. Step 3: Cross multiply
    71,540,271.86x = 98,746,984.32 × 41,778,947.88
  4. Step 4: Simplify right side
    71,540,271.86x = 4,125,545,111,212,457
  5. Step 5: Solve for x
    x = 4,125,545,111,212,457/71,540,271.86
  6. Step 6: Final answer
    x = 57,667,450.85

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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.