Home / 55,280,838.21-76,289,864.06-30,502,632.42

Finding the Fourth Proportional to 55,280,838.21, 76,289,864.06 and 30,502,632.42

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Solution

The fourth proportional to 55,280,838.21, 76,289,864.06 and 30,502,632.42 is: 42,094,905.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,280,838.21 : 76,289,864.06 = 30,502,632.42 : x
  2. Step 2: Convert to fraction form
    55,280,838.21/76,289,864.06 = 30,502,632.42/x
  3. Step 3: Cross multiply
    55,280,838.21x = 76,289,864.06 × 30,502,632.42
  4. Step 4: Simplify right side
    55,280,838.21x = 2,327,041,680,641,436
  5. Step 5: Solve for x
    x = 2,327,041,680,641,436/55,280,838.21
  6. Step 6: Final answer
    x = 42,094,905.87

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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.