Home / 130,375,624.40-195,264,838.20-66,475,566.80

Finding the Fourth Proportional to 130,375,624.40, 195,264,838.20 and 66,475,566.80

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Solution

The fourth proportional to 130,375,624.40, 195,264,838.20 and 66,475,566.80 is: 99,561,101.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,375,624.40 : 195,264,838.20 = 66,475,566.80 : x
  2. Step 2: Convert to fraction form
    130,375,624.40/195,264,838.20 = 66,475,566.80/x
  3. Step 3: Cross multiply
    130,375,624.40x = 195,264,838.20 × 66,475,566.80
  4. Step 4: Simplify right side
    130,375,624.40x = 12,980,340,795,455,290
  5. Step 5: Solve for x
    x = 12,980,340,795,455,290/130,375,624.40
  6. Step 6: Final answer
    x = 99,561,101.66

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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.