Home / 126,656,973.81-189,999,632.47-40,375,362.33

Finding the Fourth Proportional to 126,656,973.81, 189,999,632.47 and 40,375,362.33

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Solution

The fourth proportional to 126,656,973.81, 189,999,632.47 and 40,375,362.33 is: 60,567,561.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,656,973.81 : 189,999,632.47 = 40,375,362.33 : x
  2. Step 2: Convert to fraction form
    126,656,973.81/189,999,632.47 = 40,375,362.33/x
  3. Step 3: Cross multiply
    126,656,973.81x = 189,999,632.47 × 40,375,362.33
  4. Step 4: Simplify right side
    126,656,973.81x = 7,671,304,002,593,085
  5. Step 5: Solve for x
    x = 7,671,304,002,593,085/126,656,973.81
  6. Step 6: Final answer
    x = 60,567,561.12

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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.