Home / 119,782,915.16-165,300,920.90-64,778,771.66

Finding the Fourth Proportional to 119,782,915.16, 165,300,920.90 and 64,778,771.66

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Solution

The fourth proportional to 119,782,915.16, 165,300,920.90 and 64,778,771.66 is: 89,394,974.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,782,915.16 : 165,300,920.90 = 64,778,771.66 : x
  2. Step 2: Convert to fraction form
    119,782,915.16/165,300,920.90 = 64,778,771.66/x
  3. Step 3: Cross multiply
    119,782,915.16x = 165,300,920.90 × 64,778,771.66
  4. Step 4: Simplify right side
    119,782,915.16x = 10,707,990,609,018,424
  5. Step 5: Solve for x
    x = 10,707,990,609,018,424/119,782,915.16
  6. Step 6: Final answer
    x = 89,394,974.19

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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.