Home / 78,556,731.54-108,421,481.46-45,537,635.16

Finding the Fourth Proportional to 78,556,731.54, 108,421,481.46 and 45,537,635.16

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Solution

The fourth proportional to 78,556,731.54, 108,421,481.46 and 45,537,635.16 is: 62,849,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,556,731.54 : 108,421,481.46 = 45,537,635.16 : x
  2. Step 2: Convert to fraction form
    78,556,731.54/108,421,481.46 = 45,537,635.16/x
  3. Step 3: Cross multiply
    78,556,731.54x = 108,421,481.46 × 45,537,635.16
  4. Step 4: Simplify right side
    78,556,731.54x = 4,937,257,866,232,183
  5. Step 5: Solve for x
    x = 4,937,257,866,232,183/78,556,731.54
  6. Step 6: Final answer
    x = 62,849,583.60

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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.