Home / 95,428,923.20-142,975,423.20-81,991,995.20

Finding the Fourth Proportional to 95,428,923.20, 142,975,423.20 and 81,991,995.20

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Solution

The fourth proportional to 95,428,923.20, 142,975,423.20 and 81,991,995.20 is: 122,843,681.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,428,923.20 : 142,975,423.20 = 81,991,995.20 : x
  2. Step 2: Convert to fraction form
    95,428,923.20/142,975,423.20 = 81,991,995.20/x
  3. Step 3: Cross multiply
    95,428,923.20x = 142,975,423.20 × 81,991,995.20
  4. Step 4: Simplify right side
    95,428,923.20x = 11,722,840,212,732,368
  5. Step 5: Solve for x
    x = 11,722,840,212,732,368/95,428,923.20
  6. Step 6: Final answer
    x = 122,843,681.14

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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.