Home / 238,946,240.76-358,457,152.48-85,588,901.88

Finding the Fourth Proportional to 238,946,240.76, 358,457,152.48 and 85,588,901.88

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Solution

The fourth proportional to 238,946,240.76, 358,457,152.48 and 85,588,901.88 is: 128,396,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,946,240.76 : 358,457,152.48 = 85,588,901.88 : x
  2. Step 2: Convert to fraction form
    238,946,240.76/358,457,152.48 = 85,588,901.88/x
  3. Step 3: Cross multiply
    238,946,240.76x = 358,457,152.48 × 85,588,901.88
  4. Step 4: Simplify right side
    238,946,240.76x = 30,679,954,051,794,920
  5. Step 5: Solve for x
    x = 30,679,954,051,794,920/238,946,240.76
  6. Step 6: Final answer
    x = 128,396,889.42

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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.