Home / 190,674,008.20-286,011,012.30-147,627,287.20

Finding the Fourth Proportional to 190,674,008.20, 286,011,012.30 and 147,627,287.20

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Solution

The fourth proportional to 190,674,008.20, 286,011,012.30 and 147,627,287.20 is: 221,440,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,674,008.20 : 286,011,012.30 = 147,627,287.20 : x
  2. Step 2: Convert to fraction form
    190,674,008.20/286,011,012.30 = 147,627,287.20/x
  3. Step 3: Cross multiply
    190,674,008.20x = 286,011,012.30 × 147,627,287.20
  4. Step 4: Simplify right side
    190,674,008.20x = 42,223,029,855,174,832
  5. Step 5: Solve for x
    x = 42,223,029,855,174,832/190,674,008.20
  6. Step 6: Final answer
    x = 221,440,930.80

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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.