Home / 130,457,901.60-195,450,656.40-103,342,600.80

Finding the Fourth Proportional to 130,457,901.60, 195,450,656.40 and 103,342,600.80

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Solution

The fourth proportional to 130,457,901.60, 195,450,656.40 and 103,342,600.80 is: 154,826,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,457,901.60 : 195,450,656.40 = 103,342,600.80 : x
  2. Step 2: Convert to fraction form
    130,457,901.60/195,450,656.40 = 103,342,600.80/x
  3. Step 3: Cross multiply
    130,457,901.60x = 195,450,656.40 × 103,342,600.80
  4. Step 4: Simplify right side
    130,457,901.60x = 20,198,379,160,443,164
  5. Step 5: Solve for x
    x = 20,198,379,160,443,164/130,457,901.60
  6. Step 6: Final answer
    x = 154,826,797.86

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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.