Home / 130,722,684.86-195,900,507.20-103,308,461.66

Finding the Fourth Proportional to 130,722,684.86, 195,900,507.20 and 103,308,461.66

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Solution

The fourth proportional to 130,722,684.86, 195,900,507.20 and 103,308,461.66 is: 154,817,658.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,722,684.86 : 195,900,507.20 = 103,308,461.66 : x
  2. Step 2: Convert to fraction form
    130,722,684.86/195,900,507.20 = 103,308,461.66/x
  3. Step 3: Cross multiply
    130,722,684.86x = 195,900,507.20 × 103,308,461.66
  4. Step 4: Simplify right side
    130,722,684.86x = 20,238,180,035,749,708
  5. Step 5: Solve for x
    x = 20,238,180,035,749,708/130,722,684.86
  6. Step 6: Final answer
    x = 154,817,658.91

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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.