Home / 77,841,144,853.18-116,749,919,759.10-21,185,422,809.70

Finding the Fourth Proportional to 77,841,144,853.18, 116,749,919,759.10 and 21,185,422,809.70

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Solution

The fourth proportional to 77,841,144,853.18, 116,749,919,759.10 and 21,185,422,809.70 is: 31,774,923,374.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,841,144,853.18 : 116,749,919,759.10 = 21,185,422,809.70 : x
  2. Step 2: Convert to fraction form
    77,841,144,853.18/116,749,919,759.10 = 21,185,422,809.70/x
  3. Step 3: Cross multiply
    77,841,144,853.18x = 116,749,919,759.10 × 21,185,422,809.70
  4. Step 4: Simplify right side
    77,841,144,853.18x = 2,473,396,413,095,081,934,848
  5. Step 5: Solve for x
    x = 2,473,396,413,095,081,934,848/77,841,144,853.18
  6. Step 6: Final answer
    x = 31,774,923,374.52

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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.