Home / 163,685,213.81-225,851,875.10-94,057,142.59

Finding the Fourth Proportional to 163,685,213.81, 225,851,875.10 and 94,057,142.59

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Solution

The fourth proportional to 163,685,213.81, 225,851,875.10 and 94,057,142.59 is: 129,779,480.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,685,213.81 : 225,851,875.10 = 94,057,142.59 : x
  2. Step 2: Convert to fraction form
    163,685,213.81/225,851,875.10 = 94,057,142.59/x
  3. Step 3: Cross multiply
    163,685,213.81x = 225,851,875.10 × 94,057,142.59
  4. Step 4: Simplify right side
    163,685,213.81x = 21,242,982,021,193,856
  5. Step 5: Solve for x
    x = 21,242,982,021,193,856/163,685,213.81
  6. Step 6: Final answer
    x = 129,779,480.55

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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.