Home / 126,326,662.47-189,508,069.44-38,895,577.05

Finding the Fourth Proportional to 126,326,662.47, 189,508,069.44 and 38,895,577.05

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Solution

The fourth proportional to 126,326,662.47, 189,508,069.44 and 38,895,577.05 is: 58,348,931.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,326,662.47 : 189,508,069.44 = 38,895,577.05 : x
  2. Step 2: Convert to fraction form
    126,326,662.47/189,508,069.44 = 38,895,577.05/x
  3. Step 3: Cross multiply
    126,326,662.47x = 189,508,069.44 × 38,895,577.05
  4. Step 4: Simplify right side
    126,326,662.47x = 7,371,025,716,500,270
  5. Step 5: Solve for x
    x = 7,371,025,716,500,270/126,326,662.47
  6. Step 6: Final answer
    x = 58,348,931.04

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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.