Home / 87,998,994,731.52-121,441,546,051.84-49,424,712,348.16

Finding the Fourth Proportional to 87,998,994,731.52, 121,441,546,051.84 and 49,424,712,348.16

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Solution

The fourth proportional to 87,998,994,731.52, 121,441,546,051.84 and 49,424,712,348.16 is: 68,207,750,543.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,998,994,731.52 : 121,441,546,051.84 = 49,424,712,348.16 : x
  2. Step 2: Convert to fraction form
    87,998,994,731.52/121,441,546,051.84 = 49,424,712,348.16/x
  3. Step 3: Cross multiply
    87,998,994,731.52x = 121,441,546,051.84 × 49,424,712,348.16
  4. Step 4: Simplify right side
    87,998,994,731.52x = 6,002,213,480,728,018,026,496
  5. Step 5: Solve for x
    x = 6,002,213,480,728,018,026,496/87,998,994,731.52
  6. Step 6: Final answer
    x = 68,207,750,543.52

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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.