Home / 201,906,019.60-302,859,029.40-144,575,126.80

Finding the Fourth Proportional to 201,906,019.60, 302,859,029.40 and 144,575,126.80

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Solution

The fourth proportional to 201,906,019.60, 302,859,029.40 and 144,575,126.80 is: 216,862,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,906,019.60 : 302,859,029.40 = 144,575,126.80 : x
  2. Step 2: Convert to fraction form
    201,906,019.60/302,859,029.40 = 144,575,126.80/x
  3. Step 3: Cross multiply
    201,906,019.60x = 302,859,029.40 × 144,575,126.80
  4. Step 4: Simplify right side
    201,906,019.60x = 43,785,882,578,029,928
  5. Step 5: Solve for x
    x = 43,785,882,578,029,928/201,906,019.60
  6. Step 6: Final answer
    x = 216,862,690.20

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1.5x scale

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.