Home / 75,449,210,918.45-104,120,234,767.71-41,155,664,815.74

Finding the Fourth Proportional to 75,449,210,918.45, 104,120,234,767.71 and 41,155,664,815.74

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Solution

The fourth proportional to 75,449,210,918.45, 104,120,234,767.71 and 41,155,664,815.74 is: 56,794,994,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,449,210,918.45 : 104,120,234,767.71 = 41,155,664,815.74 : x
  2. Step 2: Convert to fraction form
    75,449,210,918.45/104,120,234,767.71 = 41,155,664,815.74/x
  3. Step 3: Cross multiply
    75,449,210,918.45x = 104,120,234,767.71 × 41,155,664,815.74
  4. Step 4: Simplify right side
    75,449,210,918.45x = 4,285,137,482,636,343,115,776
  5. Step 5: Solve for x
    x = 4,285,137,482,636,343,115,776/75,449,210,918.45
  6. Step 6: Final answer
    x = 56,794,994,016.15

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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.