Home / 56,168,191.08-77,512,208.72-31,388,377.96

Finding the Fourth Proportional to 56,168,191.08, 77,512,208.72 and 31,388,377.96

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Solution

The fourth proportional to 56,168,191.08, 77,512,208.72 and 31,388,377.96 is: 43,316,020.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,168,191.08 : 77,512,208.72 = 31,388,377.96 : x
  2. Step 2: Convert to fraction form
    56,168,191.08/77,512,208.72 = 31,388,377.96/x
  3. Step 3: Cross multiply
    56,168,191.08x = 77,512,208.72 × 31,388,377.96
  4. Step 4: Simplify right side
    56,168,191.08x = 2,432,982,503,586,533.50
  5. Step 5: Solve for x
    x = 2,432,982,503,586,533.50/56,168,191.08
  6. Step 6: Final answer
    x = 43,316,020.27

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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.