Home / 89,023,870.93-122,912,897.61-55,584,270.51

Finding the Fourth Proportional to 89,023,870.93, 122,912,897.61 and 55,584,270.51

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Solution

The fourth proportional to 89,023,870.93, 122,912,897.61 and 55,584,270.51 is: 76,743,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,023,870.93 : 122,912,897.61 = 55,584,270.51 : x
  2. Step 2: Convert to fraction form
    89,023,870.93/122,912,897.61 = 55,584,270.51/x
  3. Step 3: Cross multiply
    89,023,870.93x = 122,912,897.61 × 55,584,270.51
  4. Step 4: Simplify right side
    89,023,870.93x = 6,832,023,749,307,608
  5. Step 5: Solve for x
    x = 6,832,023,749,307,608/89,023,870.93
  6. Step 6: Final answer
    x = 76,743,728.15

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Why These Related Problems?

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