Home / 119,782,916.64-165,300,922.95-64,778,773.14

Finding the Fourth Proportional to 119,782,916.64, 165,300,922.95 and 64,778,773.14

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Solution

The fourth proportional to 119,782,916.64, 165,300,922.95 and 64,778,773.14 is: 89,394,976.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,782,916.64 : 165,300,922.95 = 64,778,773.14 : x
  2. Step 2: Convert to fraction form
    119,782,916.64/165,300,922.95 = 64,778,773.14/x
  3. Step 3: Cross multiply
    119,782,916.64x = 165,300,922.95 × 64,778,773.14
  4. Step 4: Simplify right side
    119,782,916.64x = 10,707,990,987,610,668
  5. Step 5: Solve for x
    x = 10,707,990,987,610,668/119,782,916.64
  6. Step 6: Final answer
    x = 89,394,976.25

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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.