Home / 86,172,531.35-118,917,924.32-47,014,334.01

Finding the Fourth Proportional to 86,172,531.35, 118,917,924.32 and 47,014,334.01

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Solution

The fourth proportional to 86,172,531.35, 118,917,924.32 and 47,014,334.01 is: 64,879,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,172,531.35 : 118,917,924.32 = 47,014,334.01 : x
  2. Step 2: Convert to fraction form
    86,172,531.35/118,917,924.32 = 47,014,334.01/x
  3. Step 3: Cross multiply
    86,172,531.35x = 118,917,924.32 × 47,014,334.01
  4. Step 4: Simplify right side
    86,172,531.35x = 5,590,847,013,873,918
  5. Step 5: Solve for x
    x = 5,590,847,013,873,918/86,172,531.35
  6. Step 6: Final answer
    x = 64,879,688.77

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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.