Home / 278,693,869.32-417,879,403.56-94,399,578.36

Finding the Fourth Proportional to 278,693,869.32, 417,879,403.56 and 94,399,578.36

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Solution

The fourth proportional to 278,693,869.32, 417,879,403.56 and 94,399,578.36 is: 141,544,697.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,693,869.32 : 417,879,403.56 = 94,399,578.36 : x
  2. Step 2: Convert to fraction form
    278,693,869.32/417,879,403.56 = 94,399,578.36/x
  3. Step 3: Cross multiply
    278,693,869.32x = 417,879,403.56 × 94,399,578.36
  4. Step 4: Simplify right side
    278,693,869.32x = 39,447,639,501,392,280
  5. Step 5: Solve for x
    x = 39,447,639,501,392,280/278,693,869.32
  6. Step 6: Final answer
    x = 141,544,697.76

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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.