Home / 69,807,537.87-103,887,231.80-67,480,034.06

Finding the Fourth Proportional to 69,807,537.87, 103,887,231.80 and 67,480,034.06

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Solution

The fourth proportional to 69,807,537.87, 103,887,231.80 and 67,480,034.06 is: 100,423,452.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,807,537.87 : 103,887,231.80 = 67,480,034.06 : x
  2. Step 2: Convert to fraction form
    69,807,537.87/103,887,231.80 = 67,480,034.06/x
  3. Step 3: Cross multiply
    69,807,537.87x = 103,887,231.80 × 67,480,034.06
  4. Step 4: Simplify right side
    69,807,537.87x = 7,010,313,939,406,280
  5. Step 5: Solve for x
    x = 7,010,313,939,406,280/69,807,537.87
  6. Step 6: Final answer
    x = 100,423,452.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.