Home / 87,898,384.31-121,291,030.53-50,740,635.47

Finding the Fourth Proportional to 87,898,384.31, 121,291,030.53 and 50,740,635.47

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Solution

The fourth proportional to 87,898,384.31, 121,291,030.53 and 50,740,635.47 is: 70,017,031.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,898,384.31 : 121,291,030.53 = 50,740,635.47 : x
  2. Step 2: Convert to fraction form
    87,898,384.31/121,291,030.53 = 50,740,635.47/x
  3. Step 3: Cross multiply
    87,898,384.31x = 121,291,030.53 × 50,740,635.47
  4. Step 4: Simplify right side
    87,898,384.31x = 6,154,383,965,296,916
  5. Step 5: Solve for x
    x = 6,154,383,965,296,916/87,898,384.31
  6. Step 6: Final answer
    x = 70,017,031.76

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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.