Home / 102,856,314.06-141,932,331.51-61,033,171.50

Finding the Fourth Proportional to 102,856,314.06, 141,932,331.51 and 61,033,171.50

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Solution

The fourth proportional to 102,856,314.06, 141,932,331.51 and 61,033,171.50 is: 84,220,209.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,856,314.06 : 141,932,331.51 = 61,033,171.50 : x
  2. Step 2: Convert to fraction form
    102,856,314.06/141,932,331.51 = 61,033,171.50/x
  3. Step 3: Cross multiply
    102,856,314.06x = 141,932,331.51 × 61,033,171.50
  4. Step 4: Simplify right side
    102,856,314.06x = 8,662,580,330,444,683
  5. Step 5: Solve for x
    x = 8,662,580,330,444,683/102,856,314.06
  6. Step 6: Final answer
    x = 84,220,209.62

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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.