Home / 208,464,527.28-287,715,534.24-115,674,928.68

Finding the Fourth Proportional to 208,464,527.28, 287,715,534.24 and 115,674,928.68

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Solution

The fourth proportional to 208,464,527.28, 287,715,534.24 and 115,674,928.68 is: 159,650,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,464,527.28 : 287,715,534.24 = 115,674,928.68 : x
  2. Step 2: Convert to fraction form
    208,464,527.28/287,715,534.24 = 115,674,928.68/x
  3. Step 3: Cross multiply
    208,464,527.28x = 287,715,534.24 × 115,674,928.68
  4. Step 4: Simplify right side
    208,464,527.28x = 33,281,473,903,340,100
  5. Step 5: Solve for x
    x = 33,281,473,903,340,100/208,464,527.28
  6. Step 6: Final answer
    x = 159,650,537.85

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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.