Home / 75,139,452.84-112,630,514.74-31,445,245.72

Finding the Fourth Proportional to 75,139,452.84, 112,630,514.74 and 31,445,245.72

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Solution

The fourth proportional to 75,139,452.84, 112,630,514.74 and 31,445,245.72 is: 47,134,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,139,452.84 : 112,630,514.74 = 31,445,245.72 : x
  2. Step 2: Convert to fraction form
    75,139,452.84/112,630,514.74 = 31,445,245.72/x
  3. Step 3: Cross multiply
    75,139,452.84x = 112,630,514.74 × 31,445,245.72
  4. Step 4: Simplify right side
    75,139,452.84x = 3,541,694,211,569,381.50
  5. Step 5: Solve for x
    x = 3,541,694,211,569,381.50/75,139,452.84
  6. Step 6: Final answer
    x = 47,134,948.12

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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.