Home / 201,855,983.80-302,925,693.30-86,923,010.20

Finding the Fourth Proportional to 201,855,983.80, 302,925,693.30 and 86,923,010.20

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Solution

The fourth proportional to 201,855,983.80, 302,925,693.30 and 86,923,010.20 is: 130,445,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,855,983.80 : 302,925,693.30 = 86,923,010.20 : x
  2. Step 2: Convert to fraction form
    201,855,983.80/302,925,693.30 = 86,923,010.20/x
  3. Step 3: Cross multiply
    201,855,983.80x = 302,925,693.30 × 86,923,010.20
  4. Step 4: Simplify right side
    201,855,983.80x = 26,331,213,128,557,972
  5. Step 5: Solve for x
    x = 26,331,213,128,557,972/201,855,983.80
  6. Step 6: Final answer
    x = 130,445,541.58

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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.