Home / 193,198,241,831.31-289,929,738,110.71-67,428,838,837.17

Finding the Fourth Proportional to 193,198,241,831.31, 289,929,738,110.71 and 67,428,838,837.17

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Solution

The fourth proportional to 193,198,241,831.31, 289,929,738,110.71 and 67,428,838,837.17 is: 101,189,459,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,198,241,831.31 : 289,929,738,110.71 = 67,428,838,837.17 : x
  2. Step 2: Convert to fraction form
    193,198,241,831.31/289,929,738,110.71 = 67,428,838,837.17/x
  3. Step 3: Cross multiply
    193,198,241,831.31x = 289,929,738,110.71 × 67,428,838,837.17
  4. Step 4: Simplify right side
    193,198,241,831.31x = 19,549,625,585,169,971,806,208
  5. Step 5: Solve for x
    x = 19,549,625,585,169,971,806,208/193,198,241,831.31
  6. Step 6: Final answer
    x = 101,189,459,075.10

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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.