Home / 91,089,007.30-136,633,510.95-82,302,516.10

Finding the Fourth Proportional to 91,089,007.30, 136,633,510.95 and 82,302,516.10

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Solution

The fourth proportional to 91,089,007.30, 136,633,510.95 and 82,302,516.10 is: 123,453,774.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,089,007.30 : 136,633,510.95 = 82,302,516.10 : x
  2. Step 2: Convert to fraction form
    91,089,007.30/136,633,510.95 = 82,302,516.10/x
  3. Step 3: Cross multiply
    91,089,007.30x = 136,633,510.95 × 82,302,516.10
  4. Step 4: Simplify right side
    91,089,007.30x = 11,245,281,734,761,900
  5. Step 5: Solve for x
    x = 11,245,281,734,761,900/91,089,007.30
  6. Step 6: Final answer
    x = 123,453,774.15

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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.