Home / 120,836,046.60-181,254,069.90-108,742,811.40

Finding the Fourth Proportional to 120,836,046.60, 181,254,069.90 and 108,742,811.40

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Solution

The fourth proportional to 120,836,046.60, 181,254,069.90 and 108,742,811.40 is: 163,114,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,836,046.60 : 181,254,069.90 = 108,742,811.40 : x
  2. Step 2: Convert to fraction form
    120,836,046.60/181,254,069.90 = 108,742,811.40/x
  3. Step 3: Cross multiply
    120,836,046.60x = 181,254,069.90 × 108,742,811.40
  4. Step 4: Simplify right side
    120,836,046.60x = 19,710,077,138,618,120
  5. Step 5: Solve for x
    x = 19,710,077,138,618,120/120,836,046.60
  6. Step 6: Final answer
    x = 163,114,217.10

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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.