Home / 119,782,913.65-165,300,918.82-64,778,770.15

Finding the Fourth Proportional to 119,782,913.65, 165,300,918.82 and 64,778,770.15

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Solution

The fourth proportional to 119,782,913.65, 165,300,918.82 and 64,778,770.15 is: 89,394,972.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,782,913.65 : 165,300,918.82 = 64,778,770.15 : x
  2. Step 2: Convert to fraction form
    119,782,913.65/165,300,918.82 = 64,778,770.15/x
  3. Step 3: Cross multiply
    119,782,913.65x = 165,300,918.82 × 64,778,770.15
  4. Step 4: Simplify right side
    119,782,913.65x = 10,707,990,225,249,390
  5. Step 5: Solve for x
    x = 10,707,990,225,249,390/119,782,913.65
  6. Step 6: Final answer
    x = 89,394,972.11

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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.