Home / 133,338,579,831.40-184,007,376,349.31-72,370,959,615.71

Finding the Fourth Proportional to 133,338,579,831.40, 184,007,376,349.31 and 72,370,959,615.71

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Solution

The fourth proportional to 133,338,579,831.40, 184,007,376,349.31 and 72,370,959,615.71 is: 99,871,998,183.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,338,579,831.40 : 184,007,376,349.31 = 72,370,959,615.71 : x
  2. Step 2: Convert to fraction form
    133,338,579,831.40/184,007,376,349.31 = 72,370,959,615.71/x
  3. Step 3: Cross multiply
    133,338,579,831.40x = 184,007,376,349.31 × 72,370,959,615.71
  4. Step 4: Simplify right side
    133,338,579,831.40x = 13,316,790,402,768,665,837,568
  5. Step 5: Solve for x
    x = 13,316,790,402,768,665,837,568/133,338,579,831.40
  6. Step 6: Final answer
    x = 99,871,998,183.92

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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.