Home / 156,258,501.33-234,364,936.39-45,564,425.81

Finding the Fourth Proportional to 156,258,501.33, 234,364,936.39 and 45,564,425.81

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Solution

The fourth proportional to 156,258,501.33, 234,364,936.39 and 45,564,425.81 is: 68,339,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,258,501.33 : 234,364,936.39 = 45,564,425.81 : x
  2. Step 2: Convert to fraction form
    156,258,501.33/234,364,936.39 = 45,564,425.81/x
  3. Step 3: Cross multiply
    156,258,501.33x = 234,364,936.39 × 45,564,425.81
  4. Step 4: Simplify right side
    156,258,501.33x = 10,678,703,755,321,788
  5. Step 5: Solve for x
    x = 10,678,703,755,321,788/156,258,501.33
  6. Step 6: Final answer
    x = 68,339,985.76

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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.