Home / 172,467,880.08-238,006,641.23-98,128,438.82

Finding the Fourth Proportional to 172,467,880.08, 238,006,641.23 and 98,128,438.82

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Solution

The fourth proportional to 172,467,880.08, 238,006,641.23 and 98,128,438.82 is: 135,417,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,467,880.08 : 238,006,641.23 = 98,128,438.82 : x
  2. Step 2: Convert to fraction form
    172,467,880.08/238,006,641.23 = 98,128,438.82/x
  3. Step 3: Cross multiply
    172,467,880.08x = 238,006,641.23 × 98,128,438.82
  4. Step 4: Simplify right side
    172,467,880.08x = 23,355,220,132,691,740
  5. Step 5: Solve for x
    x = 23,355,220,132,691,740/172,467,880.08
  6. Step 6: Final answer
    x = 135,417,795.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.