Home / 102,501,856.32-141,606,203.04-67,303,170.24

Finding the Fourth Proportional to 102,501,856.32, 141,606,203.04 and 67,303,170.24

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Solution

The fourth proportional to 102,501,856.32, 141,606,203.04 and 67,303,170.24 is: 92,979,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,501,856.32 : 141,606,203.04 = 67,303,170.24 : x
  2. Step 2: Convert to fraction form
    102,501,856.32/141,606,203.04 = 67,303,170.24/x
  3. Step 3: Cross multiply
    102,501,856.32x = 141,606,203.04 × 67,303,170.24
  4. Step 4: Simplify right side
    102,501,856.32x = 9,530,546,390,241,124
  5. Step 5: Solve for x
    x = 9,530,546,390,241,124/102,501,856.32
  6. Step 6: Final answer
    x = 92,979,256.50

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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.