Home / 290,350,096.80-435,525,145.20-108,573,655.20

Finding the Fourth Proportional to 290,350,096.80, 435,525,145.20 and 108,573,655.20

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Solution

The fourth proportional to 290,350,096.80, 435,525,145.20 and 108,573,655.20 is: 162,860,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,350,096.80 : 435,525,145.20 = 108,573,655.20 : x
  2. Step 2: Convert to fraction form
    290,350,096.80/435,525,145.20 = 108,573,655.20/x
  3. Step 3: Cross multiply
    290,350,096.80x = 435,525,145.20 × 108,573,655.20
  4. Step 4: Simplify right side
    290,350,096.80x = 47,286,556,945,874,736
  5. Step 5: Solve for x
    x = 47,286,556,945,874,736/290,350,096.80
  6. Step 6: Final answer
    x = 162,860,482.80

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1.5x scale

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.