Home / 86,740,987.77-119,701,445.10-49,570,841.46

Finding the Fourth Proportional to 86,740,987.77, 119,701,445.10 and 49,570,841.46

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Solution

The fourth proportional to 86,740,987.77, 119,701,445.10 and 49,570,841.46 is: 68,407,122.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,740,987.77 : 119,701,445.10 = 49,570,841.46 : x
  2. Step 2: Convert to fraction form
    86,740,987.77/119,701,445.10 = 49,570,841.46/x
  3. Step 3: Cross multiply
    86,740,987.77x = 119,701,445.10 × 49,570,841.46
  4. Step 4: Simplify right side
    86,740,987.77x = 5,933,701,357,584,994
  5. Step 5: Solve for x
    x = 5,933,701,357,584,994/86,740,987.77
  6. Step 6: Final answer
    x = 68,407,122.29

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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.