Home / 130,375,622.40-195,264,835.20-66,475,564.80

Finding the Fourth Proportional to 130,375,622.40, 195,264,835.20 and 66,475,564.80

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Solution

The fourth proportional to 130,375,622.40, 195,264,835.20 and 66,475,564.80 is: 99,561,098.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,375,622.40 : 195,264,835.20 = 66,475,564.80 : x
  2. Step 2: Convert to fraction form
    130,375,622.40/195,264,835.20 = 66,475,564.80/x
  3. Step 3: Cross multiply
    130,375,622.40x = 195,264,835.20 × 66,475,564.80
  4. Step 4: Simplify right side
    130,375,622.40x = 12,980,340,205,498,920
  5. Step 5: Solve for x
    x = 12,980,340,205,498,920/130,375,622.40
  6. Step 6: Final answer
    x = 99,561,098.67

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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.