Home / 245,085,276.70-367,250,001.45-212,584,707.10

Finding the Fourth Proportional to 245,085,276.70, 367,250,001.45 and 212,584,707.10

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Solution

The fourth proportional to 245,085,276.70, 367,250,001.45 and 212,584,707.10 is: 318,549,261.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,085,276.70 : 367,250,001.45 = 212,584,707.10 : x
  2. Step 2: Convert to fraction form
    245,085,276.70/367,250,001.45 = 212,584,707.10/x
  3. Step 3: Cross multiply
    245,085,276.70x = 367,250,001.45 × 212,584,707.10
  4. Step 4: Simplify right side
    245,085,276.70x = 78,071,733,990,722,816
  5. Step 5: Solve for x
    x = 78,071,733,990,722,816/245,085,276.70
  6. Step 6: Final answer
    x = 318,549,261.88

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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.