Home / 165,888,139.60-248,832,209.40-131,623,973.20

Finding the Fourth Proportional to 165,888,139.60, 248,832,209.40 and 131,623,973.20

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Solution

The fourth proportional to 165,888,139.60, 248,832,209.40 and 131,623,973.20 is: 197,435,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,139.60 : 248,832,209.40 = 131,623,973.20 : x
  2. Step 2: Convert to fraction form
    165,888,139.60/248,832,209.40 = 131,623,973.20/x
  3. Step 3: Cross multiply
    165,888,139.60x = 248,832,209.40 × 131,623,973.20
  4. Step 4: Simplify right side
    165,888,139.60x = 32,752,284,061,362,388
  5. Step 5: Solve for x
    x = 32,752,284,061,362,388/165,888,139.60
  6. Step 6: Final answer
    x = 197,435,959.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.