Home / 250,386,742.21-345,575,080.53-138,913,497.37

Finding the Fourth Proportional to 250,386,742.21, 345,575,080.53 and 138,913,497.37

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Solution

The fourth proportional to 250,386,742.21, 345,575,080.53 and 138,913,497.37 is: 191,723,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,386,742.21 : 345,575,080.53 = 138,913,497.37 : x
  2. Step 2: Convert to fraction form
    250,386,742.21/345,575,080.53 = 138,913,497.37/x
  3. Step 3: Cross multiply
    250,386,742.21x = 345,575,080.53 × 138,913,497.37
  4. Step 4: Simplify right side
    250,386,742.21x = 48,005,043,040,341,688
  5. Step 5: Solve for x
    x = 48,005,043,040,341,688/250,386,742.21
  6. Step 6: Final answer
    x = 191,723,581.75

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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.