Home / 108,172,021.76-149,278,565.76-59,278,400

Finding the Fourth Proportional to 108,172,021.76, 149,278,565.76 and 59,278,400

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Solution

The fourth proportional to 108,172,021.76, 149,278,565.76 and 59,278,400 is: 81,804,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,172,021.76 : 149,278,565.76 = 59,278,400 : x
  2. Step 2: Convert to fraction form
    108,172,021.76/149,278,565.76 = 59,278,400/x
  3. Step 3: Cross multiply
    108,172,021.76x = 149,278,565.76 × 59,278,400
  4. Step 4: Simplify right side
    108,172,021.76x = 8,848,994,532,547,583
  5. Step 5: Solve for x
    x = 8,848,994,532,547,583/108,172,021.76
  6. Step 6: Final answer
    x = 81,804,836.30

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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.