Home / 238,946,239.76-358,457,150.98-85,588,900.88

Finding the Fourth Proportional to 238,946,239.76, 358,457,150.98 and 85,588,900.88

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Solution

The fourth proportional to 238,946,239.76, 358,457,150.98 and 85,588,900.88 is: 128,396,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,946,239.76 : 358,457,150.98 = 85,588,900.88 : x
  2. Step 2: Convert to fraction form
    238,946,239.76/358,457,150.98 = 85,588,900.88/x
  3. Step 3: Cross multiply
    238,946,239.76x = 358,457,150.98 × 85,588,900.88
  4. Step 4: Simplify right side
    238,946,239.76x = 30,679,953,564,954,416
  5. Step 5: Solve for x
    x = 30,679,953,564,954,416/238,946,239.76
  6. Step 6: Final answer
    x = 128,396,887.92

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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.