Home / 149,562,884.31-206,431,217.74-87,703,151.91

Finding the Fourth Proportional to 149,562,884.31, 206,431,217.74 and 87,703,151.91

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Solution

The fourth proportional to 149,562,884.31, 206,431,217.74 and 87,703,151.91 is: 121,050,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,562,884.31 : 206,431,217.74 = 87,703,151.91 : x
  2. Step 2: Convert to fraction form
    149,562,884.31/206,431,217.74 = 87,703,151.91/x
  3. Step 3: Cross multiply
    149,562,884.31x = 206,431,217.74 × 87,703,151.91
  4. Step 4: Simplify right side
    149,562,884.31x = 18,104,668,448,417,508
  5. Step 5: Solve for x
    x = 18,104,668,448,417,508/149,562,884.31
  6. Step 6: Final answer
    x = 121,050,543.60

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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.