Home / 75,139,451.84-112,630,513.25-31,445,244.72

Finding the Fourth Proportional to 75,139,451.84, 112,630,513.25 and 31,445,244.72

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Solution

The fourth proportional to 75,139,451.84, 112,630,513.25 and 31,445,244.72 is: 47,134,946.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,139,451.84 : 112,630,513.25 = 31,445,244.72 : x
  2. Step 2: Convert to fraction form
    75,139,451.84/112,630,513.25 = 31,445,244.72/x
  3. Step 3: Cross multiply
    75,139,451.84x = 112,630,513.25 × 31,445,244.72
  4. Step 4: Simplify right side
    75,139,451.84x = 3,541,694,051,928,226.50
  5. Step 5: Solve for x
    x = 3,541,694,051,928,226.50/75,139,451.84
  6. Step 6: Final answer
    x = 47,134,946.63

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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.