Home / 78,585,817.69-117,896,397.86-23,993,836.21

Finding the Fourth Proportional to 78,585,817.69, 117,896,397.86 and 23,993,836.21

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Solution

The fourth proportional to 78,585,817.69, 117,896,397.86 and 23,993,836.21 is: 35,996,149.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,585,817.69 : 117,896,397.86 = 23,993,836.21 : x
  2. Step 2: Convert to fraction form
    78,585,817.69/117,896,397.86 = 23,993,836.21/x
  3. Step 3: Cross multiply
    78,585,817.69x = 117,896,397.86 × 23,993,836.21
  4. Step 4: Simplify right side
    78,585,817.69x = 2,828,786,860,001,834.50
  5. Step 5: Solve for x
    x = 2,828,786,860,001,834.50/78,585,817.69
  6. Step 6: Final answer
    x = 35,996,149.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.