Home / 55,196,721.48-76,171,979.44-30,417,797.40

Finding the Fourth Proportional to 55,196,721.48, 76,171,979.44 and 30,417,797.40

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Solution

The fourth proportional to 55,196,721.48, 76,171,979.44 and 30,417,797.40 is: 41,976,838.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,196,721.48 : 76,171,979.44 = 30,417,797.40 : x
  2. Step 2: Convert to fraction form
    55,196,721.48/76,171,979.44 = 30,417,797.40/x
  3. Step 3: Cross multiply
    55,196,721.48x = 76,171,979.44 × 30,417,797.40
  4. Step 4: Simplify right side
    55,196,721.48x = 2,316,983,838,162,885.50
  5. Step 5: Solve for x
    x = 2,316,983,838,162,885.50/55,196,721.48
  6. Step 6: Final answer
    x = 41,976,838.04

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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.