Home / 285,294,901.32-427,643,672.63-119,393,458.74

Finding the Fourth Proportional to 285,294,901.32, 427,643,672.63 and 119,393,458.74

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Solution

The fourth proportional to 285,294,901.32, 427,643,672.63 and 119,393,458.74 is: 178,965,193.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,294,901.32 : 427,643,672.63 = 119,393,458.74 : x
  2. Step 2: Convert to fraction form
    285,294,901.32/427,643,672.63 = 119,393,458.74/x
  3. Step 3: Cross multiply
    285,294,901.32x = 427,643,672.63 × 119,393,458.74
  4. Step 4: Simplify right side
    285,294,901.32x = 51,057,857,182,975,000
  5. Step 5: Solve for x
    x = 51,057,857,182,975,000/285,294,901.32
  6. Step 6: Final answer
    x = 178,965,193.37

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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.