Home / 272,574,277.20-408,861,415.80-163,735,160.40

Finding the Fourth Proportional to 272,574,277.20, 408,861,415.80 and 163,735,160.40

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Solution

The fourth proportional to 272,574,277.20, 408,861,415.80 and 163,735,160.40 is: 245,602,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,574,277.20 : 408,861,415.80 = 163,735,160.40 : x
  2. Step 2: Convert to fraction form
    272,574,277.20/408,861,415.80 = 163,735,160.40/x
  3. Step 3: Cross multiply
    272,574,277.20x = 408,861,415.80 × 163,735,160.40
  4. Step 4: Simplify right side
    272,574,277.20x = 66,944,989,497,384,096
  5. Step 5: Solve for x
    x = 66,944,989,497,384,096/272,574,277.20
  6. Step 6: Final answer
    x = 245,602,740.60

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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.