Home / 84,515,565.84-116,740,886.85-69,890,309.52

Finding the Fourth Proportional to 84,515,565.84, 116,740,886.85 and 69,890,309.52

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Solution

The fourth proportional to 84,515,565.84, 116,740,886.85 and 69,890,309.52 is: 96,539,100.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,515,565.84 : 116,740,886.85 = 69,890,309.52 : x
  2. Step 2: Convert to fraction form
    84,515,565.84/116,740,886.85 = 69,890,309.52/x
  3. Step 3: Cross multiply
    84,515,565.84x = 116,740,886.85 × 69,890,309.52
  4. Step 4: Simplify right side
    84,515,565.84x = 8,159,056,715,148,019
  5. Step 5: Solve for x
    x = 8,159,056,715,148,019/84,515,565.84
  6. Step 6: Final answer
    x = 96,539,100.63

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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.