Home / 218,459,849.97-327,692,614.67-72,893,411.36

Finding the Fourth Proportional to 218,459,849.97, 327,692,614.67 and 72,893,411.36

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Solution

The fourth proportional to 218,459,849.97, 327,692,614.67 and 72,893,411.36 is: 109,341,064.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,459,849.97 : 327,692,614.67 = 72,893,411.36 : x
  2. Step 2: Convert to fraction form
    218,459,849.97/327,692,614.67 = 72,893,411.36/x
  3. Step 3: Cross multiply
    218,459,849.97x = 327,692,614.67 × 72,893,411.36
  4. Step 4: Simplify right side
    218,459,849.97x = 23,886,632,560,774,280
  5. Step 5: Solve for x
    x = 23,886,632,560,774,280/218,459,849.97
  6. Step 6: Final answer
    x = 109,341,064.57

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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.