Home / 245,636,572.56-338,980,108.92-134,128,187.64

Finding the Fourth Proportional to 245,636,572.56, 338,980,108.92 and 134,128,187.64

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Solution

The fourth proportional to 245,636,572.56, 338,980,108.92 and 134,128,187.64 is: 185,097,793.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,636,572.56 : 338,980,108.92 = 134,128,187.64 : x
  2. Step 2: Convert to fraction form
    245,636,572.56/338,980,108.92 = 134,128,187.64/x
  3. Step 3: Cross multiply
    245,636,572.56x = 338,980,108.92 × 134,128,187.64
  4. Step 4: Simplify right side
    245,636,572.56x = 45,466,787,655,449,400
  5. Step 5: Solve for x
    x = 45,466,787,655,449,400/245,636,572.56
  6. Step 6: Final answer
    x = 185,097,793.79

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