Home / 75,818,577.52-113,727,862.64-21,239,244.19

Finding the Fourth Proportional to 75,818,577.52, 113,727,862.64 and 21,239,244.19

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Solution

The fourth proportional to 75,818,577.52, 113,727,862.64 and 21,239,244.19 is: 31,858,865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,818,577.52 : 113,727,862.64 = 21,239,244.19 : x
  2. Step 2: Convert to fraction form
    75,818,577.52/113,727,862.64 = 21,239,244.19/x
  3. Step 3: Cross multiply
    75,818,577.52x = 113,727,862.64 × 21,239,244.19
  4. Step 4: Simplify right side
    75,818,577.52x = 2,415,493,845,893,631.50
  5. Step 5: Solve for x
    x = 2,415,493,845,893,631.50/75,818,577.52
  6. Step 6: Final answer
    x = 31,858,865.27

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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.