Home / 47,990,516.10-71,985,774.15-30,771,827.70

Finding the Fourth Proportional to 47,990,516.10, 71,985,774.15 and 30,771,827.70

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Solution

The fourth proportional to 47,990,516.10, 71,985,774.15 and 30,771,827.70 is: 46,157,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,990,516.10 : 71,985,774.15 = 30,771,827.70 : x
  2. Step 2: Convert to fraction form
    47,990,516.10/71,985,774.15 = 30,771,827.70/x
  3. Step 3: Cross multiply
    47,990,516.10x = 71,985,774.15 × 30,771,827.70
  4. Step 4: Simplify right side
    47,990,516.10x = 2,215,133,838,994,914
  5. Step 5: Solve for x
    x = 2,215,133,838,994,914/47,990,516.10
  6. Step 6: Final answer
    x = 46,157,741.55

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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.