Home / 81,182,770.83-112,048,499.40-48,161,348.94

Finding the Fourth Proportional to 81,182,770.83, 112,048,499.40 and 48,161,348.94

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Solution

The fourth proportional to 81,182,770.83, 112,048,499.40 and 48,161,348.94 is: 66,472,317.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,182,770.83 : 112,048,499.40 = 48,161,348.94 : x
  2. Step 2: Convert to fraction form
    81,182,770.83/112,048,499.40 = 48,161,348.94/x
  3. Step 3: Cross multiply
    81,182,770.83x = 112,048,499.40 × 48,161,348.94
  4. Step 4: Simplify right side
    81,182,770.83x = 5,396,406,877,806,781
  5. Step 5: Solve for x
    x = 5,396,406,877,806,781/81,182,770.83
  6. Step 6: Final answer
    x = 66,472,317.00

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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.