Home / 287,301,858.28-396,477,775.20-161,855,559.34

Finding the Fourth Proportional to 287,301,858.28, 396,477,775.20 and 161,855,559.34

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Solution

The fourth proportional to 287,301,858.28, 396,477,775.20 and 161,855,559.34 is: 223,361,354.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,301,858.28 : 396,477,775.20 = 161,855,559.34 : x
  2. Step 2: Convert to fraction form
    287,301,858.28/396,477,775.20 = 161,855,559.34/x
  3. Step 3: Cross multiply
    287,301,858.28x = 396,477,775.20 × 161,855,559.34
  4. Step 4: Simplify right side
    287,301,858.28x = 64,172,132,070,874,776
  5. Step 5: Solve for x
    x = 64,172,132,070,874,776/287,301,858.28
  6. Step 6: Final answer
    x = 223,361,354.00

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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.