Home / 56,053,130.88-77,353,286.40-30,299,018.88

Finding the Fourth Proportional to 56,053,130.88, 77,353,286.40 and 30,299,018.88

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Solution

The fourth proportional to 56,053,130.88, 77,353,286.40 and 30,299,018.88 is: 41,812,627.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,053,130.88 : 77,353,286.40 = 30,299,018.88 : x
  2. Step 2: Convert to fraction form
    56,053,130.88/77,353,286.40 = 30,299,018.88/x
  3. Step 3: Cross multiply
    56,053,130.88x = 77,353,286.40 × 30,299,018.88
  4. Step 4: Simplify right side
    56,053,130.88x = 2,343,728,685,063,647.50
  5. Step 5: Solve for x
    x = 2,343,728,685,063,647.50/56,053,130.88
  6. Step 6: Final answer
    x = 41,812,627.56

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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.