Home / 186,624,229.60-279,936,344.40-128,425,535.20

Finding the Fourth Proportional to 186,624,229.60, 279,936,344.40 and 128,425,535.20

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Solution

The fourth proportional to 186,624,229.60, 279,936,344.40 and 128,425,535.20 is: 192,638,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,229.60 : 279,936,344.40 = 128,425,535.20 : x
  2. Step 2: Convert to fraction form
    186,624,229.60/279,936,344.40 = 128,425,535.20/x
  3. Step 3: Cross multiply
    186,624,229.60x = 279,936,344.40 × 128,425,535.20
  4. Step 4: Simplify right side
    186,624,229.60x = 35,950,974,851,501,520
  5. Step 5: Solve for x
    x = 35,950,974,851,501,520/186,624,229.60
  6. Step 6: Final answer
    x = 192,638,302.80

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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.