Home / 80,742,730.16-121,071,533.88-35,251,380.56

Finding the Fourth Proportional to 80,742,730.16, 121,071,533.88 and 35,251,380.56

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Solution

The fourth proportional to 80,742,730.16, 121,071,533.88 and 35,251,380.56 is: 52,858,489.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,742,730.16 : 121,071,533.88 = 35,251,380.56 : x
  2. Step 2: Convert to fraction form
    80,742,730.16/121,071,533.88 = 35,251,380.56/x
  3. Step 3: Cross multiply
    80,742,730.16x = 121,071,533.88 × 35,251,380.56
  4. Step 4: Simplify right side
    80,742,730.16x = 4,267,938,715,786,813.50
  5. Step 5: Solve for x
    x = 4,267,938,715,786,813.50/80,742,730.16
  6. Step 6: Final answer
    x = 52,858,489.02

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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.