Home / 201,582,007.90-302,428,999.05-86,621,623.90

Finding the Fourth Proportional to 201,582,007.90, 302,428,999.05 and 86,621,623.90

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Solution

The fourth proportional to 201,582,007.90, 302,428,999.05 and 86,621,623.90 is: 129,956,494.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,582,007.90 : 302,428,999.05 = 86,621,623.90 : x
  2. Step 2: Convert to fraction form
    201,582,007.90/302,428,999.05 = 86,621,623.90/x
  3. Step 3: Cross multiply
    201,582,007.90x = 302,428,999.05 × 86,621,623.90
  4. Step 4: Simplify right side
    201,582,007.90x = 26,196,891,012,162,560
  5. Step 5: Solve for x
    x = 26,196,891,012,162,560/201,582,007.90
  6. Step 6: Final answer
    x = 129,956,494.06

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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.