Home / 90,346,203.62-124,677,322.89-51,187,903.46

Finding the Fourth Proportional to 90,346,203.62, 124,677,322.89 and 51,187,903.46

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Solution

The fourth proportional to 90,346,203.62, 124,677,322.89 and 51,187,903.46 is: 70,639,058.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,346,203.62 : 124,677,322.89 = 51,187,903.46 : x
  2. Step 2: Convert to fraction form
    90,346,203.62/124,677,322.89 = 51,187,903.46/x
  3. Step 3: Cross multiply
    90,346,203.62x = 124,677,322.89 × 51,187,903.46
  4. Step 4: Simplify right side
    90,346,203.62x = 6,381,970,767,744,568
  5. Step 5: Solve for x
    x = 6,381,970,767,744,568/90,346,203.62
  6. Step 6: Final answer
    x = 70,639,058.56

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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.