Home / 80,742,023.40-121,141,028.70-35,336,404.20

Finding the Fourth Proportional to 80,742,023.40, 121,141,028.70 and 35,336,404.20

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Solution

The fourth proportional to 80,742,023.40, 121,141,028.70 and 35,336,404.20 is: 53,016,857.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,742,023.40 : 121,141,028.70 = 35,336,404.20 : x
  2. Step 2: Convert to fraction form
    80,742,023.40/121,141,028.70 = 35,336,404.20/x
  3. Step 3: Cross multiply
    80,742,023.40x = 121,141,028.70 × 35,336,404.20
  4. Step 4: Simplify right side
    80,742,023.40x = 4,280,688,355,347,001
  5. Step 5: Solve for x
    x = 4,280,688,355,347,001/80,742,023.40
  6. Step 6: Final answer
    x = 53,016,857.58

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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.