Home / 151,610,110.39-209,221,952.67-81,995,491.27

Finding the Fourth Proportional to 151,610,110.39, 209,221,952.67 and 81,995,491.27

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Solution

The fourth proportional to 151,610,110.39, 209,221,952.67 and 81,995,491.27 is: 113,153,778.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,610,110.39 : 209,221,952.67 = 81,995,491.27 : x
  2. Step 2: Convert to fraction form
    151,610,110.39/209,221,952.67 = 81,995,491.27/x
  3. Step 3: Cross multiply
    151,610,110.39x = 209,221,952.67 × 81,995,491.27
  4. Step 4: Simplify right side
    151,610,110.39x = 17,155,256,792,729,992
  5. Step 5: Solve for x
    x = 17,155,256,792,729,992/151,610,110.39
  6. Step 6: Final answer
    x = 113,153,778.13

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1.5x scale

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.