Home / 123,124,157.52-169,911,247.21-67,369,944.03

Finding the Fourth Proportional to 123,124,157.52, 169,911,247.21 and 67,369,944.03

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Solution

The fourth proportional to 123,124,157.52, 169,911,247.21 and 67,369,944.03 is: 92,970,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,124,157.52 : 169,911,247.21 = 67,369,944.03 : x
  2. Step 2: Convert to fraction form
    123,124,157.52/169,911,247.21 = 67,369,944.03/x
  3. Step 3: Cross multiply
    123,124,157.52x = 169,911,247.21 × 67,369,944.03
  4. Step 4: Simplify right side
    123,124,157.52x = 11,446,911,214,605,194
  5. Step 5: Solve for x
    x = 11,446,911,214,605,194/123,124,157.52
  6. Step 6: Final answer
    x = 92,970,473.42

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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.