Home / 89,101,457.32-122,957,816.38-49,408,768.73

Finding the Fourth Proportional to 89,101,457.32, 122,957,816.38 and 49,408,768.73

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Solution

The fourth proportional to 89,101,457.32, 122,957,816.38 and 49,408,768.73 is: 68,182,883.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,101,457.32 : 122,957,816.38 = 49,408,768.73 : x
  2. Step 2: Convert to fraction form
    89,101,457.32/122,957,816.38 = 49,408,768.73/x
  3. Step 3: Cross multiply
    89,101,457.32x = 122,957,816.38 × 49,408,768.73
  4. Step 4: Simplify right side
    89,101,457.32x = 6,075,194,312,326,915
  5. Step 5: Solve for x
    x = 6,075,194,312,326,915/89,101,457.32
  6. Step 6: Final answer
    x = 68,182,883.82

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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.