Home / 158,405,263.92-218,588,263.47-87,844,513.95

Finding the Fourth Proportional to 158,405,263.92, 218,588,263.47 and 87,844,513.95

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Solution

The fourth proportional to 158,405,263.92, 218,588,263.47 and 87,844,513.95 is: 121,219,328.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,405,263.92 : 218,588,263.47 = 87,844,513.95 : x
  2. Step 2: Convert to fraction form
    158,405,263.92/218,588,263.47 = 87,844,513.95/x
  3. Step 3: Cross multiply
    158,405,263.92x = 218,588,263.47 × 87,844,513.95
  4. Step 4: Simplify right side
    158,405,263.92x = 19,201,779,759,696,692
  5. Step 5: Solve for x
    x = 19,201,779,759,696,692/158,405,263.92
  6. Step 6: Final answer
    x = 121,219,328.73

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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.