Home / 163,685,215.14-225,851,876.94-94,057,143.92

Finding the Fourth Proportional to 163,685,215.14, 225,851,876.94 and 94,057,143.92

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Solution

The fourth proportional to 163,685,215.14, 225,851,876.94 and 94,057,143.92 is: 129,779,482.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,685,215.14 : 225,851,876.94 = 94,057,143.92 : x
  2. Step 2: Convert to fraction form
    163,685,215.14/225,851,876.94 = 94,057,143.92/x
  3. Step 3: Cross multiply
    163,685,215.14x = 225,851,876.94 × 94,057,143.92
  4. Step 4: Simplify right side
    163,685,215.14x = 21,242,982,493,477,424
  5. Step 5: Solve for x
    x = 21,242,982,493,477,424/163,685,215.14
  6. Step 6: Final answer
    x = 129,779,482.38

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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.