Home / 53,156,740.60-79,735,110.90-30,439,934.20

Finding the Fourth Proportional to 53,156,740.60, 79,735,110.90 and 30,439,934.20

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Solution

The fourth proportional to 53,156,740.60, 79,735,110.90 and 30,439,934.20 is: 45,659,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,156,740.60 : 79,735,110.90 = 30,439,934.20 : x
  2. Step 2: Convert to fraction form
    53,156,740.60/79,735,110.90 = 30,439,934.20/x
  3. Step 3: Cross multiply
    53,156,740.60x = 79,735,110.90 × 30,439,934.20
  4. Step 4: Simplify right side
    53,156,740.60x = 2,427,131,529,225,703
  5. Step 5: Solve for x
    x = 2,427,131,529,225,703/53,156,740.60
  6. Step 6: Final answer
    x = 45,659,901.30

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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.