Home / 153,379,697-230,074,269.42-67,073,678.60

Finding the Fourth Proportional to 153,379,697, 230,074,269.42 and 67,073,678.60

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Solution

The fourth proportional to 153,379,697, 230,074,269.42 and 67,073,678.60 is: 100,612,583.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,379,697 : 230,074,269.42 = 67,073,678.60 : x
  2. Step 2: Convert to fraction form
    153,379,697/230,074,269.42 = 67,073,678.60/x
  3. Step 3: Cross multiply
    153,379,697x = 230,074,269.42 × 67,073,678.60
  4. Step 4: Simplify right side
    153,379,697x = 15,431,927,601,206,888
  5. Step 5: Solve for x
    x = 15,431,927,601,206,888/153,379,697
  6. Step 6: Final answer
    x = 100,612,583.69

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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.