Home / 141,729,250.89-195,586,364.64-76,539,154.89

Finding the Fourth Proportional to 141,729,250.89, 195,586,364.64 and 76,539,154.89

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Solution

The fourth proportional to 141,729,250.89, 195,586,364.64 and 76,539,154.89 is: 105,624,032.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,729,250.89 : 195,586,364.64 = 76,539,154.89 : x
  2. Step 2: Convert to fraction form
    141,729,250.89/195,586,364.64 = 76,539,154.89/x
  3. Step 3: Cross multiply
    141,729,250.89x = 195,586,364.64 × 76,539,154.89
  4. Step 4: Simplify right side
    141,729,250.89x = 14,970,015,056,192,352
  5. Step 5: Solve for x
    x = 14,970,015,056,192,352/141,729,250.89
  6. Step 6: Final answer
    x = 105,624,032.88

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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.