Home / 185,640,971.88-278,461,509.39-69,041,093.16

Finding the Fourth Proportional to 185,640,971.88, 278,461,509.39 and 69,041,093.16

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Solution

The fourth proportional to 185,640,971.88, 278,461,509.39 and 69,041,093.16 is: 103,561,658.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,640,971.88 : 278,461,509.39 = 69,041,093.16 : x
  2. Step 2: Convert to fraction form
    185,640,971.88/278,461,509.39 = 69,041,093.16/x
  3. Step 3: Cross multiply
    185,640,971.88x = 278,461,509.39 × 69,041,093.16
  4. Step 4: Simplify right side
    185,640,971.88x = 19,225,287,011,269,204
  5. Step 5: Solve for x
    x = 19,225,287,011,269,204/185,640,971.88
  6. Step 6: Final answer
    x = 103,561,658.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.