Home / 55,911,462.32-77,145,052.92-31,456,253.36

Finding the Fourth Proportional to 55,911,462.32, 77,145,052.92 and 31,456,253.36

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Solution

The fourth proportional to 55,911,462.32, 77,145,052.92 and 31,456,253.36 is: 43,402,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,911,462.32 : 77,145,052.92 = 31,456,253.36 : x
  2. Step 2: Convert to fraction form
    55,911,462.32/77,145,052.92 = 31,456,253.36/x
  3. Step 3: Cross multiply
    55,911,462.32x = 77,145,052.92 × 31,456,253.36
  4. Step 4: Simplify right side
    55,911,462.32x = 2,426,694,330,122,128
  5. Step 5: Solve for x
    x = 2,426,694,330,122,128/55,911,462.32
  6. Step 6: Final answer
    x = 43,402,447.90

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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.