Home / 278,831,030.81-418,157,811.62-92,050,196.45

Finding the Fourth Proportional to 278,831,030.81, 418,157,811.62 and 92,050,196.45

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Solution

The fourth proportional to 278,831,030.81, 418,157,811.62 and 92,050,196.45 is: 138,046,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,831,030.81 : 418,157,811.62 = 92,050,196.45 : x
  2. Step 2: Convert to fraction form
    278,831,030.81/418,157,811.62 = 92,050,196.45/x
  3. Step 3: Cross multiply
    278,831,030.81x = 418,157,811.62 × 92,050,196.45
  4. Step 4: Simplify right side
    278,831,030.81x = 38,491,508,704,172,048
  5. Step 5: Solve for x
    x = 38,491,508,704,172,048/278,831,030.81
  6. Step 6: Final answer
    x = 138,046,000.81

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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.