Home / 125,939,584,860.80-188,981,936,702.40-47,478,674,883.20

Finding the Fourth Proportional to 125,939,584,860.80, 188,981,936,702.40 and 47,478,674,883.20

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Solution

The fourth proportional to 125,939,584,860.80, 188,981,936,702.40 and 47,478,674,883.20 is: 71,245,366,906.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,939,584,860.80 : 188,981,936,702.40 = 47,478,674,883.20 : x
  2. Step 2: Convert to fraction form
    125,939,584,860.80/188,981,936,702.40 = 47,478,674,883.20/x
  3. Step 3: Cross multiply
    125,939,584,860.80x = 188,981,936,702.40 × 47,478,674,883.20
  4. Step 4: Simplify right side
    125,939,584,860.80x = 8,972,611,931,490,730,639,360
  5. Step 5: Solve for x
    x = 8,972,611,931,490,730,639,360/125,939,584,860.80
  6. Step 6: Final answer
    x = 71,245,366,906.74

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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.