Home / 130,366,983.60-195,550,475.40-39,490,572.60

Finding the Fourth Proportional to 130,366,983.60, 195,550,475.40 and 39,490,572.60

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Solution

The fourth proportional to 130,366,983.60, 195,550,475.40 and 39,490,572.60 is: 59,235,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,366,983.60 : 195,550,475.40 = 39,490,572.60 : x
  2. Step 2: Convert to fraction form
    130,366,983.60/195,550,475.40 = 39,490,572.60/x
  3. Step 3: Cross multiply
    130,366,983.60x = 195,550,475.40 × 39,490,572.60
  4. Step 4: Simplify right side
    130,366,983.60x = 7,722,400,245,748,215
  5. Step 5: Solve for x
    x = 7,722,400,245,748,215/130,366,983.60
  6. Step 6: Final answer
    x = 59,235,858.90

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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.