Home / 249,123,788.08-343,784,166.87-137,612,228.88

Finding the Fourth Proportional to 249,123,788.08, 343,784,166.87 and 137,612,228.88

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Solution

The fourth proportional to 249,123,788.08, 343,784,166.87 and 137,612,228.88 is: 189,901,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,123,788.08 : 343,784,166.87 = 137,612,228.88 : x
  2. Step 2: Convert to fraction form
    249,123,788.08/343,784,166.87 = 137,612,228.88/x
  3. Step 3: Cross multiply
    249,123,788.08x = 343,784,166.87 × 137,612,228.88
  4. Step 4: Simplify right side
    249,123,788.08x = 47,308,905,456,634,552
  5. Step 5: Solve for x
    x = 47,308,905,456,634,552/249,123,788.08
  6. Step 6: Final answer
    x = 189,901,196.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.