Home / 102,615,812.55-141,608,071.09-55,572,503.76

Finding the Fourth Proportional to 102,615,812.55, 141,608,071.09 and 55,572,503.76

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Solution

The fourth proportional to 102,615,812.55, 141,608,071.09 and 55,572,503.76 is: 76,689,107.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,615,812.55 : 141,608,071.09 = 55,572,503.76 : x
  2. Step 2: Convert to fraction form
    102,615,812.55/141,608,071.09 = 55,572,503.76/x
  3. Step 3: Cross multiply
    102,615,812.55x = 141,608,071.09 × 55,572,503.76
  4. Step 4: Simplify right side
    102,615,812.55x = 7,869,515,062,956,441
  5. Step 5: Solve for x
    x = 7,869,515,062,956,441/102,615,812.55
  6. Step 6: Final answer
    x = 76,689,107.34

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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.