Home / 119,782,954.32-165,300,975.18-64,778,810.82

Finding the Fourth Proportional to 119,782,954.32, 165,300,975.18 and 64,778,810.82

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Solution

The fourth proportional to 119,782,954.32, 165,300,975.18 and 64,778,810.82 is: 89,395,028.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,782,954.32 : 165,300,975.18 = 64,778,810.82 : x
  2. Step 2: Convert to fraction form
    119,782,954.32/165,300,975.18 = 64,778,810.82/x
  3. Step 3: Cross multiply
    119,782,954.32x = 165,300,975.18 × 64,778,810.82
  4. Step 4: Simplify right side
    119,782,954.32x = 10,708,000,599,546,736
  5. Step 5: Solve for x
    x = 10,708,000,599,546,736/119,782,954.32
  6. Step 6: Final answer
    x = 89,395,028.37

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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.