Home / 78,436,210.12-117,668,680.21-32,352,940.21

Finding the Fourth Proportional to 78,436,210.12, 117,668,680.21 and 32,352,940.21

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Solution

The fourth proportional to 78,436,210.12, 117,668,680.21 and 32,352,940.21 is: 48,535,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,436,210.12 : 117,668,680.21 = 32,352,940.21 : x
  2. Step 2: Convert to fraction form
    78,436,210.12/117,668,680.21 = 32,352,940.21/x
  3. Step 3: Cross multiply
    78,436,210.12x = 117,668,680.21 × 32,352,940.21
  4. Step 4: Simplify right side
    78,436,210.12x = 3,806,927,775,423,740
  5. Step 5: Solve for x
    x = 3,806,927,775,423,740/78,436,210.12
  6. Step 6: Final answer
    x = 48,535,335.52

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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.