Home / 139,396,911.84-209,072,642.36-41,005,607.88

Finding the Fourth Proportional to 139,396,911.84, 209,072,642.36 and 41,005,607.88

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Solution

The fourth proportional to 139,396,911.84, 209,072,642.36 and 41,005,607.88 is: 61,501,726.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,396,911.84 : 209,072,642.36 = 41,005,607.88 : x
  2. Step 2: Convert to fraction form
    139,396,911.84/209,072,642.36 = 41,005,607.88/x
  3. Step 3: Cross multiply
    139,396,911.84x = 209,072,642.36 × 41,005,607.88
  4. Step 4: Simplify right side
    139,396,911.84x = 8,573,150,791,049,639
  5. Step 5: Solve for x
    x = 8,573,150,791,049,639/139,396,911.84
  6. Step 6: Final answer
    x = 61,501,726.82

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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.