Home / 141,729,301.28-195,586,434.24-76,539,205.28

Finding the Fourth Proportional to 141,729,301.28, 195,586,434.24 and 76,539,205.28

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Solution

The fourth proportional to 141,729,301.28, 195,586,434.24 and 76,539,205.28 is: 105,624,102.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,729,301.28 : 195,586,434.24 = 76,539,205.28 : x
  2. Step 2: Convert to fraction form
    141,729,301.28/195,586,434.24 = 76,539,205.28/x
  3. Step 3: Cross multiply
    141,729,301.28x = 195,586,434.24 × 76,539,205.28
  4. Step 4: Simplify right side
    141,729,301.28x = 14,970,030,240,278,582
  5. Step 5: Solve for x
    x = 14,970,030,240,278,582/141,729,301.28
  6. Step 6: Final answer
    x = 105,624,102.46

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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.