Home / 149,040,792.87-223,656,848.00-72,321,970.11

Finding the Fourth Proportional to 149,040,792.87, 223,656,848.00 and 72,321,970.11

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Solution

The fourth proportional to 149,040,792.87, 223,656,848.00 and 72,321,970.11 is: 108,529,373.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,040,792.87 : 223,656,848.00 = 72,321,970.11 : x
  2. Step 2: Convert to fraction form
    149,040,792.87/223,656,848.00 = 72,321,970.11/x
  3. Step 3: Cross multiply
    149,040,792.87x = 223,656,848.00 × 72,321,970.11
  4. Step 4: Simplify right side
    149,040,792.87x = 16,175,303,876,133,618
  5. Step 5: Solve for x
    x = 16,175,303,876,133,618/149,040,792.87
  6. Step 6: Final answer
    x = 108,529,373.50

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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.