Home / 158,265,215.58-218,407,279.86-87,702,004.46

Finding the Fourth Proportional to 158,265,215.58, 218,407,279.86 and 87,702,004.46

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Solution

The fourth proportional to 158,265,215.58, 218,407,279.86 and 87,702,004.46 is: 121,029,476.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,265,215.58 : 218,407,279.86 = 87,702,004.46 : x
  2. Step 2: Convert to fraction form
    158,265,215.58/218,407,279.86 = 87,702,004.46/x
  3. Step 3: Cross multiply
    158,265,215.58x = 218,407,279.86 × 87,702,004.46
  4. Step 4: Simplify right side
    158,265,215.58x = 19,154,756,231,286,152
  5. Step 5: Solve for x
    x = 19,154,756,231,286,152/158,265,215.58
  6. Step 6: Final answer
    x = 121,029,476.76

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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.