Home / 151,610,112.58-209,221,955.69-81,995,493.46

Finding the Fourth Proportional to 151,610,112.58, 209,221,955.69 and 81,995,493.46

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Solution

The fourth proportional to 151,610,112.58, 209,221,955.69 and 81,995,493.46 is: 113,153,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,610,112.58 : 209,221,955.69 = 81,995,493.46 : x
  2. Step 2: Convert to fraction form
    151,610,112.58/209,221,955.69 = 81,995,493.46/x
  3. Step 3: Cross multiply
    151,610,112.58x = 209,221,955.69 × 81,995,493.46
  4. Step 4: Simplify right side
    151,610,112.58x = 17,155,257,499,467,804
  5. Step 5: Solve for x
    x = 17,155,257,499,467,804/151,610,112.58
  6. Step 6: Final answer
    x = 113,153,781.15

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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.