Home / 201,906,019.10-302,859,028.65-144,575,126.30

Finding the Fourth Proportional to 201,906,019.10, 302,859,028.65 and 144,575,126.30

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Solution

The fourth proportional to 201,906,019.10, 302,859,028.65 and 144,575,126.30 is: 216,862,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,906,019.10 : 302,859,028.65 = 144,575,126.30 : x
  2. Step 2: Convert to fraction form
    201,906,019.10/302,859,028.65 = 144,575,126.30/x
  3. Step 3: Cross multiply
    201,906,019.10x = 302,859,028.65 × 144,575,126.30
  4. Step 4: Simplify right side
    201,906,019.10x = 43,785,882,318,169,072
  5. Step 5: Solve for x
    x = 43,785,882,318,169,072/201,906,019.10
  6. Step 6: Final answer
    x = 216,862,689.45

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Similar ratio
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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.