Home / 222,346,849.28-306,838,681.09-123,233,995.57

Finding the Fourth Proportional to 222,346,849.28, 306,838,681.09 and 123,233,995.57

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Solution

The fourth proportional to 222,346,849.28, 306,838,681.09 and 123,233,995.57 is: 170,062,930.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,346,849.28 : 306,838,681.09 = 123,233,995.57 : x
  2. Step 2: Convert to fraction form
    222,346,849.28/306,838,681.09 = 123,233,995.57/x
  3. Step 3: Cross multiply
    222,346,849.28x = 306,838,681.09 × 123,233,995.57
  4. Step 4: Simplify right side
    222,346,849.28x = 37,812,956,666,149,696
  5. Step 5: Solve for x
    x = 37,812,956,666,149,696/222,346,849.28
  6. Step 6: Final answer
    x = 170,062,930.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.