Home / 141,922,502.40-212,883,753.60-127,561,785.60

Finding the Fourth Proportional to 141,922,502.40, 212,883,753.60 and 127,561,785.60

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Solution

The fourth proportional to 141,922,502.40, 212,883,753.60 and 127,561,785.60 is: 191,342,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,922,502.40 : 212,883,753.60 = 127,561,785.60 : x
  2. Step 2: Convert to fraction form
    141,922,502.40/212,883,753.60 = 127,561,785.60/x
  3. Step 3: Cross multiply
    141,922,502.40x = 212,883,753.60 × 127,561,785.60
  4. Step 4: Simplify right side
    141,922,502.40x = 27,155,831,734,446,428
  5. Step 5: Solve for x
    x = 27,155,831,734,446,428/141,922,502.40
  6. Step 6: Final answer
    x = 191,342,678.40

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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.