Home / 90,287,108.22-124,606,845.90-53,617,679.22

Finding the Fourth Proportional to 90,287,108.22, 124,606,845.90 and 53,617,679.22

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Solution

The fourth proportional to 90,287,108.22, 124,606,845.90 and 53,617,679.22 is: 73,998,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,287,108.22 : 124,606,845.90 = 53,617,679.22 : x
  2. Step 2: Convert to fraction form
    90,287,108.22/124,606,845.90 = 53,617,679.22/x
  3. Step 3: Cross multiply
    90,287,108.22x = 124,606,845.90 × 53,617,679.22
  4. Step 4: Simplify right side
    90,287,108.22x = 6,681,129,892,082,172
  5. Step 5: Solve for x
    x = 6,681,129,892,082,172/90,287,108.22
  6. Step 6: Final answer
    x = 73,998,713.92

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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.