Home / 53,156,749.60-79,735,124.40-30,439,943.20

Finding the Fourth Proportional to 53,156,749.60, 79,735,124.40 and 30,439,943.20

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Solution

The fourth proportional to 53,156,749.60, 79,735,124.40 and 30,439,943.20 is: 45,659,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,156,749.60 : 79,735,124.40 = 30,439,943.20 : x
  2. Step 2: Convert to fraction form
    53,156,749.60/79,735,124.40 = 30,439,943.20/x
  3. Step 3: Cross multiply
    53,156,749.60x = 79,735,124.40 × 30,439,943.20
  4. Step 4: Simplify right side
    53,156,749.60x = 2,427,132,657,780,934
  5. Step 5: Solve for x
    x = 2,427,132,657,780,934/53,156,749.60
  6. Step 6: Final answer
    x = 45,659,914.80

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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.