Home / 220,786,823.99-304,687,832.26-121,671,127.72

Finding the Fourth Proportional to 220,786,823.99, 304,687,832.26 and 121,671,127.72

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Solution

The fourth proportional to 220,786,823.99, 304,687,832.26 and 121,671,127.72 is: 167,907,266.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,786,823.99 : 304,687,832.26 = 121,671,127.72 : x
  2. Step 2: Convert to fraction form
    220,786,823.99/304,687,832.26 = 121,671,127.72/x
  3. Step 3: Cross multiply
    220,786,823.99x = 304,687,832.26 × 121,671,127.72
  4. Step 4: Simplify right side
    220,786,823.99x = 37,071,712,152,112,960
  5. Step 5: Solve for x
    x = 37,071,712,152,112,960/220,786,823.99
  6. Step 6: Final answer
    x = 167,907,266.76

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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.