Home / 81,532,723.20-112,511,784.60-44,363,156.46

Finding the Fourth Proportional to 81,532,723.20, 112,511,784.60 and 44,363,156.46

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Solution

The fourth proportional to 81,532,723.20, 112,511,784.60 and 44,363,156.46 is: 61,219,320.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,532,723.20 : 112,511,784.60 = 44,363,156.46 : x
  2. Step 2: Convert to fraction form
    81,532,723.20/112,511,784.60 = 44,363,156.46/x
  3. Step 3: Cross multiply
    81,532,723.20x = 112,511,784.60 × 44,363,156.46
  4. Step 4: Simplify right side
    81,532,723.20x = 4,991,377,903,803,618
  5. Step 5: Solve for x
    x = 4,991,377,903,803,618/81,532,723.20
  6. Step 6: Final answer
    x = 61,219,320.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.