Home / 455,072,053.92-682,638,349.64-159,931,478.39

Finding the Fourth Proportional to 455,072,053.92, 682,638,349.64 and 159,931,478.39

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Solution

The fourth proportional to 455,072,053.92, 682,638,349.64 and 159,931,478.39 is: 239,907,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,072,053.92 : 682,638,349.64 = 159,931,478.39 : x
  2. Step 2: Convert to fraction form
    455,072,053.92/682,638,349.64 = 159,931,478.39/x
  3. Step 3: Cross multiply
    455,072,053.92x = 682,638,349.64 × 159,931,478.39
  4. Step 4: Simplify right side
    455,072,053.92x = 109,175,360,462,328,160
  5. Step 5: Solve for x
    x = 109,175,360,462,328,160/455,072,053.92
  6. Step 6: Final answer
    x = 239,907,855.30

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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.