Home / 137,142,836,318.24-205,714,947,902.24-42,807,876,302.24

Finding the Fourth Proportional to 137,142,836,318.24, 205,714,947,902.24 and 42,807,876,302.24

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Solution

The fourth proportional to 137,142,836,318.24, 205,714,947,902.24 and 42,807,876,302.24 is: 64,212,030,899.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,142,836,318.24 : 205,714,947,902.24 = 42,807,876,302.24 : x
  2. Step 2: Convert to fraction form
    137,142,836,318.24/205,714,947,902.24 = 42,807,876,302.24/x
  3. Step 3: Cross multiply
    137,142,836,318.24x = 205,714,947,902.24 × 42,807,876,302.24
  4. Step 4: Simplify right side
    137,142,836,318.24x = 8,806,220,043,320,835,440,640
  5. Step 5: Solve for x
    x = 8,806,220,043,320,835,440,640/137,142,836,318.24
  6. Step 6: Final answer
    x = 64,212,030,899.57

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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.