Home / 90,533,966.16-124,939,891.12-50,848,490.48

Finding the Fourth Proportional to 90,533,966.16, 124,939,891.12 and 50,848,490.48

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Solution

The fourth proportional to 90,533,966.16, 124,939,891.12 and 50,848,490.48 is: 70,172,611.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,533,966.16 : 124,939,891.12 = 50,848,490.48 : x
  2. Step 2: Convert to fraction form
    90,533,966.16/124,939,891.12 = 50,848,490.48/x
  3. Step 3: Cross multiply
    90,533,966.16x = 124,939,891.12 × 50,848,490.48
  4. Step 4: Simplify right side
    90,533,966.16x = 6,353,004,864,187,556
  5. Step 5: Solve for x
    x = 6,353,004,864,187,556/90,533,966.16
  6. Step 6: Final answer
    x = 70,172,611.82

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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.