Home / 141,053,037.60-211,579,556.40-118,378,221.60

Finding the Fourth Proportional to 141,053,037.60, 211,579,556.40 and 118,378,221.60

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Solution

The fourth proportional to 141,053,037.60, 211,579,556.40 and 118,378,221.60 is: 177,567,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,053,037.60 : 211,579,556.40 = 118,378,221.60 : x
  2. Step 2: Convert to fraction form
    141,053,037.60/211,579,556.40 = 118,378,221.60/x
  3. Step 3: Cross multiply
    141,053,037.60x = 211,579,556.40 × 118,378,221.60
  4. Step 4: Simplify right side
    141,053,037.60x = 25,046,411,613,548,896
  5. Step 5: Solve for x
    x = 25,046,411,613,548,896/141,053,037.60
  6. Step 6: Final answer
    x = 177,567,332.40

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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.