Home / 282,582,628.90-389,964,351.18-157,132,131.35

Finding the Fourth Proportional to 282,582,628.90, 389,964,351.18 and 157,132,131.35

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Solution

The fourth proportional to 282,582,628.90, 389,964,351.18 and 157,132,131.35 is: 216,842,521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,582,628.90 : 389,964,351.18 = 157,132,131.35 : x
  2. Step 2: Convert to fraction form
    282,582,628.90/389,964,351.18 = 157,132,131.35/x
  3. Step 3: Cross multiply
    282,582,628.90x = 389,964,351.18 × 157,132,131.35
  4. Step 4: Simplify right side
    282,582,628.90x = 61,275,929,650,000,072
  5. Step 5: Solve for x
    x = 61,275,929,650,000,072/282,582,628.90
  6. Step 6: Final answer
    x = 216,842,521.03

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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.