Home / 148,810,726.58-205,359,600.57-81,834,002.73

Finding the Fourth Proportional to 148,810,726.58, 205,359,600.57 and 81,834,002.73

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Solution

The fourth proportional to 148,810,726.58, 205,359,600.57 and 81,834,002.73 is: 112,931,362.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,810,726.58 : 205,359,600.57 = 81,834,002.73 : x
  2. Step 2: Convert to fraction form
    148,810,726.58/205,359,600.57 = 81,834,002.73/x
  3. Step 3: Cross multiply
    148,810,726.58x = 205,359,600.57 × 81,834,002.73
  4. Step 4: Simplify right side
    148,810,726.58x = 16,805,398,113,370,212
  5. Step 5: Solve for x
    x = 16,805,398,113,370,212/148,810,726.58
  6. Step 6: Final answer
    x = 112,931,362.54

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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.