Home / 130,283,411.70-195,425,117.55-66,449,709.30

Finding the Fourth Proportional to 130,283,411.70, 195,425,117.55 and 66,449,709.30

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Solution

The fourth proportional to 130,283,411.70, 195,425,117.55 and 66,449,709.30 is: 99,674,563.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,283,411.70 : 195,425,117.55 = 66,449,709.30 : x
  2. Step 2: Convert to fraction form
    130,283,411.70/195,425,117.55 = 66,449,709.30/x
  3. Step 3: Cross multiply
    130,283,411.70x = 195,425,117.55 × 66,449,709.30
  4. Step 4: Simplify right side
    130,283,411.70x = 12,985,942,251,115,828
  5. Step 5: Solve for x
    x = 12,985,942,251,115,828/130,283,411.70
  6. Step 6: Final answer
    x = 99,674,563.95

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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.