Home / 193,428,280.80-290,142,421.20-168,234,040.80

Finding the Fourth Proportional to 193,428,280.80, 290,142,421.20 and 168,234,040.80

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Solution

The fourth proportional to 193,428,280.80, 290,142,421.20 and 168,234,040.80 is: 252,351,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,428,280.80 : 290,142,421.20 = 168,234,040.80 : x
  2. Step 2: Convert to fraction form
    193,428,280.80/290,142,421.20 = 168,234,040.80/x
  3. Step 3: Cross multiply
    193,428,280.80x = 290,142,421.20 × 168,234,040.80
  4. Step 4: Simplify right side
    193,428,280.80x = 48,811,831,925,971,584
  5. Step 5: Solve for x
    x = 48,811,831,925,971,584/193,428,280.80
  6. Step 6: Final answer
    x = 252,351,061.20

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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.