Home / 250,386,743.21-345,575,081.91-138,913,498.37

Finding the Fourth Proportional to 250,386,743.21, 345,575,081.91 and 138,913,498.37

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Solution

The fourth proportional to 250,386,743.21, 345,575,081.91 and 138,913,498.37 is: 191,723,583.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,386,743.21 : 345,575,081.91 = 138,913,498.37 : x
  2. Step 2: Convert to fraction form
    250,386,743.21/345,575,081.91 = 138,913,498.37/x
  3. Step 3: Cross multiply
    250,386,743.21x = 345,575,081.91 × 138,913,498.37
  4. Step 4: Simplify right side
    250,386,743.21x = 48,005,043,577,617,408
  5. Step 5: Solve for x
    x = 48,005,043,577,617,408/250,386,743.21
  6. Step 6: Final answer
    x = 191,723,583.13

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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.