Home / 151,610,110.46-209,221,952.76-81,995,491.33

Finding the Fourth Proportional to 151,610,110.46, 209,221,952.76 and 81,995,491.33

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Solution

The fourth proportional to 151,610,110.46, 209,221,952.76 and 81,995,491.33 is: 113,153,778.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,610,110.46 : 209,221,952.76 = 81,995,491.33 : x
  2. Step 2: Convert to fraction form
    151,610,110.46/209,221,952.76 = 81,995,491.33/x
  3. Step 3: Cross multiply
    151,610,110.46x = 209,221,952.76 × 81,995,491.33
  4. Step 4: Simplify right side
    151,610,110.46x = 17,155,256,813,578,248
  5. Step 5: Solve for x
    x = 17,155,256,813,578,248/151,610,110.46
  6. Step 6: Final answer
    x = 113,153,778.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.