Home / 163,685,238.69-225,851,909.34-94,057,167.45

Finding the Fourth Proportional to 163,685,238.69, 225,851,909.34 and 94,057,167.45

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Solution

The fourth proportional to 163,685,238.69, 225,851,909.34 and 94,057,167.45 is: 129,779,514.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,685,238.69 : 225,851,909.34 = 94,057,167.45 : x
  2. Step 2: Convert to fraction form
    163,685,238.69/225,851,909.34 = 94,057,167.45/x
  3. Step 3: Cross multiply
    163,685,238.69x = 225,851,909.34 × 94,057,167.45
  4. Step 4: Simplify right side
    163,685,238.69x = 21,242,990,855,694,600
  5. Step 5: Solve for x
    x = 21,242,990,855,694,600/163,685,238.69
  6. Step 6: Final answer
    x = 129,779,514.79

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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.