Home / 250,447,273.80-345,617,644.44-138,938,117.52

Finding the Fourth Proportional to 250,447,273.80, 345,617,644.44 and 138,938,117.52

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Solution

The fourth proportional to 250,447,273.80, 345,617,644.44 and 138,938,117.52 is: 191,734,827.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,447,273.80 : 345,617,644.44 = 138,938,117.52 : x
  2. Step 2: Convert to fraction form
    250,447,273.80/345,617,644.44 = 138,938,117.52/x
  3. Step 3: Cross multiply
    250,447,273.80x = 345,617,644.44 × 138,938,117.52
  4. Step 4: Simplify right side
    250,447,273.80x = 48,019,464,900,190,296
  5. Step 5: Solve for x
    x = 48,019,464,900,190,296/250,447,273.80
  6. Step 6: Final answer
    x = 191,734,827.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.