Home / 51,460,979.10-71,018,467.11-30,833,982.06

Finding the Fourth Proportional to 51,460,979.10, 71,018,467.11 and 30,833,982.06

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Solution

The fourth proportional to 51,460,979.10, 71,018,467.11 and 30,833,982.06 is: 42,552,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,460,979.10 : 71,018,467.11 = 30,833,982.06 : x
  2. Step 2: Convert to fraction form
    51,460,979.10/71,018,467.11 = 30,833,982.06/x
  3. Step 3: Cross multiply
    51,460,979.10x = 71,018,467.11 × 30,833,982.06
  4. Step 4: Simplify right side
    51,460,979.10x = 2,189,782,140,798,440
  5. Step 5: Solve for x
    x = 2,189,782,140,798,440/51,460,979.10
  6. Step 6: Final answer
    x = 42,552,282.90

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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.