Home / 55,173,210.52-76,141,392.78-30,726,924.52

Finding the Fourth Proportional to 55,173,210.52, 76,141,392.78 and 30,726,924.52

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Solution

The fourth proportional to 55,173,210.52, 76,141,392.78 and 30,726,924.52 is: 42,404,471.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,173,210.52 : 76,141,392.78 = 30,726,924.52 : x
  2. Step 2: Convert to fraction form
    55,173,210.52/76,141,392.78 = 30,726,924.52/x
  3. Step 3: Cross multiply
    55,173,210.52x = 76,141,392.78 × 30,726,924.52
  4. Step 4: Simplify right side
    55,173,210.52x = 2,339,590,828,798,733
  5. Step 5: Solve for x
    x = 2,339,590,828,798,733/55,173,210.52
  6. Step 6: Final answer
    x = 42,404,471.42

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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.