Home / 56,862,697.08-78,470,530.92-30,757,203.48

Finding the Fourth Proportional to 56,862,697.08, 78,470,530.92 and 30,757,203.48

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Solution

The fourth proportional to 56,862,697.08, 78,470,530.92 and 30,757,203.48 is: 42,444,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,862,697.08 : 78,470,530.92 = 30,757,203.48 : x
  2. Step 2: Convert to fraction form
    56,862,697.08/78,470,530.92 = 30,757,203.48/x
  3. Step 3: Cross multiply
    56,862,697.08x = 78,470,530.92 × 30,757,203.48
  4. Step 4: Simplify right side
    56,862,697.08x = 2,413,534,086,690,071.50
  5. Step 5: Solve for x
    x = 2,413,534,086,690,071.50/56,862,697.08
  6. Step 6: Final answer
    x = 42,444,945.64

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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.