Home / 134,172,831.40-201,259,247.10-121,258,815.10

Finding the Fourth Proportional to 134,172,831.40, 201,259,247.10 and 121,258,815.10

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Solution

The fourth proportional to 134,172,831.40, 201,259,247.10 and 121,258,815.10 is: 181,888,222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,172,831.40 : 201,259,247.10 = 121,258,815.10 : x
  2. Step 2: Convert to fraction form
    134,172,831.40/201,259,247.10 = 121,258,815.10/x
  3. Step 3: Cross multiply
    134,172,831.40x = 201,259,247.10 × 121,258,815.10
  4. Step 4: Simplify right side
    134,172,831.40x = 24,404,457,831,264,108
  5. Step 5: Solve for x
    x = 24,404,457,831,264,108/134,172,831.40
  6. Step 6: Final answer
    x = 181,888,222.65

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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.