Home / 231,180,785.07-319,075,831.04-137,147,126.51

Finding the Fourth Proportional to 231,180,785.07, 319,075,831.04 and 137,147,126.51

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Solution

The fourth proportional to 231,180,785.07, 319,075,831.04 and 137,147,126.51 is: 189,290,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,180,785.07 : 319,075,831.04 = 137,147,126.51 : x
  2. Step 2: Convert to fraction form
    231,180,785.07/319,075,831.04 = 137,147,126.51/x
  3. Step 3: Cross multiply
    231,180,785.07x = 319,075,831.04 × 137,147,126.51
  4. Step 4: Simplify right side
    231,180,785.07x = 43,760,333,363,645,152
  5. Step 5: Solve for x
    x = 43,760,333,363,645,152/231,180,785.07
  6. Step 6: Final answer
    x = 189,290,530.14

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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.