Home / 122,377,409.80-183,140,961.90-112,173,742.60

Finding the Fourth Proportional to 122,377,409.80, 183,140,961.90 and 112,173,742.60

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Solution

The fourth proportional to 122,377,409.80, 183,140,961.90 and 112,173,742.60 is: 167,870,909.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,377,409.80 : 183,140,961.90 = 112,173,742.60 : x
  2. Step 2: Convert to fraction form
    122,377,409.80/183,140,961.90 = 112,173,742.60/x
  3. Step 3: Cross multiply
    122,377,409.80x = 183,140,961.90 × 112,173,742.60
  4. Step 4: Simplify right side
    122,377,409.80x = 20,543,607,119,687,008
  5. Step 5: Solve for x
    x = 20,543,607,119,687,008/122,377,409.80
  6. Step 6: Final answer
    x = 167,870,909.78

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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.