Home / 218,275,603.95-327,458,895.53-72,754,373.55

Finding the Fourth Proportional to 218,275,603.95, 327,458,895.53 and 72,754,373.55

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Solution

The fourth proportional to 218,275,603.95, 327,458,895.53 and 72,754,373.55 is: 109,146,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,275,603.95 : 327,458,895.53 = 72,754,373.55 : x
  2. Step 2: Convert to fraction form
    218,275,603.95/327,458,895.53 = 72,754,373.55/x
  3. Step 3: Cross multiply
    218,275,603.95x = 327,458,895.53 × 72,754,373.55
  4. Step 4: Simplify right side
    218,275,603.95x = 23,824,066,807,296,272
  5. Step 5: Solve for x
    x = 23,824,066,807,296,272/218,275,603.95
  6. Step 6: Final answer
    x = 109,146,722.66

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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.