Home / 279,612,030.60-419,268,746.70-117,871,230.60

Finding the Fourth Proportional to 279,612,030.60, 419,268,746.70 and 117,871,230.60

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Solution

The fourth proportional to 279,612,030.60, 419,268,746.70 and 117,871,230.60 is: 176,743,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,612,030.60 : 419,268,746.70 = 117,871,230.60 : x
  2. Step 2: Convert to fraction form
    279,612,030.60/419,268,746.70 = 117,871,230.60/x
  3. Step 3: Cross multiply
    279,612,030.60x = 419,268,746.70 × 117,871,230.60
  4. Step 4: Simplify right side
    279,612,030.60x = 49,419,723,125,648,688
  5. Step 5: Solve for x
    x = 49,419,723,125,648,688/279,612,030.60
  6. Step 6: Final answer
    x = 176,743,908.41

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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.