Home / 55,228,207.47-76,215,010.29-30,781,396.59

Finding the Fourth Proportional to 55,228,207.47, 76,215,010.29 and 30,781,396.59

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Solution

The fourth proportional to 55,228,207.47, 76,215,010.29 and 30,781,396.59 is: 42,478,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,228,207.47 : 76,215,010.29 = 30,781,396.59 : x
  2. Step 2: Convert to fraction form
    55,228,207.47/76,215,010.29 = 30,781,396.59/x
  3. Step 3: Cross multiply
    55,228,207.47x = 76,215,010.29 × 30,781,396.59
  4. Step 4: Simplify right side
    55,228,207.47x = 2,346,004,457,847,421
  5. Step 5: Solve for x
    x = 2,346,004,457,847,421/55,228,207.47
  6. Step 6: Final answer
    x = 42,478,374.10

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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.