Home / 60,127,861.60-90,147,623.28-19,163,729.44

Finding the Fourth Proportional to 60,127,861.60, 90,147,623.28 and 19,163,729.44

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Solution

The fourth proportional to 60,127,861.60, 90,147,623.28 and 19,163,729.44 is: 28,731,516.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,127,861.60 : 90,147,623.28 = 19,163,729.44 : x
  2. Step 2: Convert to fraction form
    60,127,861.60/90,147,623.28 = 19,163,729.44/x
  3. Step 3: Cross multiply
    60,127,861.60x = 90,147,623.28 × 19,163,729.44
  4. Step 4: Simplify right side
    60,127,861.60x = 1,727,564,662,196,965.50
  5. Step 5: Solve for x
    x = 1,727,564,662,196,965.50/60,127,861.60
  6. Step 6: Final answer
    x = 28,731,516.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.