Home / 130,722,680.60-195,900,500.84-103,308,457.40

Finding the Fourth Proportional to 130,722,680.60, 195,900,500.84 and 103,308,457.40

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Solution

The fourth proportional to 130,722,680.60, 195,900,500.84 and 103,308,457.40 is: 154,817,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,722,680.60 : 195,900,500.84 = 103,308,457.40 : x
  2. Step 2: Convert to fraction form
    130,722,680.60/195,900,500.84 = 103,308,457.40/x
  3. Step 3: Cross multiply
    130,722,680.60x = 195,900,500.84 × 103,308,457.40
  4. Step 4: Simplify right side
    130,722,680.60x = 20,238,178,545,667,804
  5. Step 5: Solve for x
    x = 20,238,178,545,667,804/130,722,680.60
  6. Step 6: Final answer
    x = 154,817,652.55

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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.