Home / 272,573,121.60-408,859,682.40-245,363,342.40

Finding the Fourth Proportional to 272,573,121.60, 408,859,682.40 and 245,363,342.40

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Solution

The fourth proportional to 272,573,121.60, 408,859,682.40 and 245,363,342.40 is: 368,045,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,573,121.60 : 408,859,682.40 = 245,363,342.40 : x
  2. Step 2: Convert to fraction form
    272,573,121.60/408,859,682.40 = 245,363,342.40/x
  3. Step 3: Cross multiply
    272,573,121.60x = 408,859,682.40 × 245,363,342.40
  4. Step 4: Simplify right side
    272,573,121.60x = 100,319,178,246,266,448
  5. Step 5: Solve for x
    x = 100,319,178,246,266,448/272,573,121.60
  6. Step 6: Final answer
    x = 368,045,013.60

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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.