Home / 158,265,296.13-218,407,391.25-87,702,085.17

Finding the Fourth Proportional to 158,265,296.13, 218,407,391.25 and 87,702,085.17

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Solution

The fourth proportional to 158,265,296.13, 218,407,391.25 and 87,702,085.17 is: 121,029,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,265,296.13 : 218,407,391.25 = 87,702,085.17 : x
  2. Step 2: Convert to fraction form
    158,265,296.13/218,407,391.25 = 87,702,085.17/x
  3. Step 3: Cross multiply
    158,265,296.13x = 218,407,391.25 × 87,702,085.17
  4. Step 4: Simplify right side
    158,265,296.13x = 19,154,783,629,165,012
  5. Step 5: Solve for x
    x = 19,154,783,629,165,012/158,265,296.13
  6. Step 6: Final answer
    x = 121,029,588.28

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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.