Home / 251,069,375.64-346,479,881.66-138,043,643

Finding the Fourth Proportional to 251,069,375.64, 346,479,881.66 and 138,043,643

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Solution

The fourth proportional to 251,069,375.64, 346,479,881.66 and 138,043,643 is: 190,502,505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,069,375.64 : 346,479,881.66 = 138,043,643 : x
  2. Step 2: Convert to fraction form
    251,069,375.64/346,479,881.66 = 138,043,643/x
  3. Step 3: Cross multiply
    251,069,375.64x = 346,479,881.66 × 138,043,643
  4. Step 4: Simplify right side
    251,069,375.64x = 47,829,345,090,555,288
  5. Step 5: Solve for x
    x = 47,829,345,090,555,288/251,069,375.64
  6. Step 6: Final answer
    x = 190,502,505.41

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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.