Home / 86,244,334.54-129,160,266.62-49,742,060.11

Finding the Fourth Proportional to 86,244,334.54, 129,160,266.62 and 49,742,060.11

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Solution

The fourth proportional to 86,244,334.54, 129,160,266.62 and 49,742,060.11 is: 74,494,142.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,244,334.54 : 129,160,266.62 = 49,742,060.11 : x
  2. Step 2: Convert to fraction form
    86,244,334.54/129,160,266.62 = 49,742,060.11/x
  3. Step 3: Cross multiply
    86,244,334.54x = 129,160,266.62 × 49,742,060.11
  4. Step 4: Simplify right side
    86,244,334.54x = 6,424,697,746,035,667
  5. Step 5: Solve for x
    x = 6,424,697,746,035,667/86,244,334.54
  6. Step 6: Final answer
    x = 74,494,142.49

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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.