Home / 153,341,250.40-211,619,499.12-83,733,093.60

Finding the Fourth Proportional to 153,341,250.40, 211,619,499.12 and 83,733,093.60

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Solution

The fourth proportional to 153,341,250.40, 211,619,499.12 and 83,733,093.60 is: 115,556,350.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,341,250.40 : 211,619,499.12 = 83,733,093.60 : x
  2. Step 2: Convert to fraction form
    153,341,250.40/211,619,499.12 = 83,733,093.60/x
  3. Step 3: Cross multiply
    153,341,250.40x = 211,619,499.12 × 83,733,093.60
  4. Step 4: Simplify right side
    153,341,250.40x = 17,719,555,327,400,076
  5. Step 5: Solve for x
    x = 17,719,555,327,400,076/153,341,250.40
  6. Step 6: Final answer
    x = 115,556,350.83

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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.