Home / 251,465,081,532.87-347,020,047,175.29-137,279,702,521.29

Finding the Fourth Proportional to 251,465,081,532.87, 347,020,047,175.29 and 137,279,702,521.29

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Solution

The fourth proportional to 251,465,081,532.87, 347,020,047,175.29 and 137,279,702,521.29 is: 189,445,025,745.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,465,081,532.87 : 347,020,047,175.29 = 137,279,702,521.29 : x
  2. Step 2: Convert to fraction form
    251,465,081,532.87/347,020,047,175.29 = 137,279,702,521.29/x
  3. Step 3: Cross multiply
    251,465,081,532.87x = 347,020,047,175.29 × 137,279,702,521.29
  4. Step 4: Simplify right side
    251,465,081,532.87x = 47,638,808,845,147,824,979,968
  5. Step 5: Solve for x
    x = 47,638,808,845,147,824,979,968/251,465,081,532.87
  6. Step 6: Final answer
    x = 189,445,025,745.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.