Home / 149,995,831.78-206,992,723.03-83,014,921.81

Finding the Fourth Proportional to 149,995,831.78, 206,992,723.03 and 83,014,921.81

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Solution

The fourth proportional to 149,995,831.78, 206,992,723.03 and 83,014,921.81 is: 114,559,748.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,995,831.78 : 206,992,723.03 = 83,014,921.81 : x
  2. Step 2: Convert to fraction form
    149,995,831.78/206,992,723.03 = 83,014,921.81/x
  3. Step 3: Cross multiply
    149,995,831.78x = 206,992,723.03 × 83,014,921.81
  4. Step 4: Simplify right side
    149,995,831.78x = 17,183,484,717,574,436
  5. Step 5: Solve for x
    x = 17,183,484,717,574,436/149,995,831.78
  6. Step 6: Final answer
    x = 114,559,748.19

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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.