Home / 130,579,928.40-195,869,892.60-39,703,371.60

Finding the Fourth Proportional to 130,579,928.40, 195,869,892.60 and 39,703,371.60

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Solution

The fourth proportional to 130,579,928.40, 195,869,892.60 and 39,703,371.60 is: 59,555,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,579,928.40 : 195,869,892.60 = 39,703,371.60 : x
  2. Step 2: Convert to fraction form
    130,579,928.40/195,869,892.60 = 39,703,371.60/x
  3. Step 3: Cross multiply
    130,579,928.40x = 195,869,892.60 × 39,703,371.60
  4. Step 4: Simplify right side
    130,579,928.40x = 7,776,695,131,149,890
  5. Step 5: Solve for x
    x = 7,776,695,131,149,890/130,579,928.40
  6. Step 6: Final answer
    x = 59,555,057.40

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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.