Home / 248,832,138.70-373,248,208.05-121,430,154.70

Finding the Fourth Proportional to 248,832,138.70, 373,248,208.05 and 121,430,154.70

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Solution

The fourth proportional to 248,832,138.70, 373,248,208.05 and 121,430,154.70 is: 182,145,232.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,832,138.70 : 373,248,208.05 = 121,430,154.70 : x
  2. Step 2: Convert to fraction form
    248,832,138.70/373,248,208.05 = 121,430,154.70/x
  3. Step 3: Cross multiply
    248,832,138.70x = 373,248,208.05 × 121,430,154.70
  4. Step 4: Simplify right side
    248,832,138.70x = 45,323,587,645,009,288
  5. Step 5: Solve for x
    x = 45,323,587,645,009,288/248,832,138.70
  6. Step 6: Final answer
    x = 182,145,232.05

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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.