Home / 153,149,383.08-211,346,147.52-83,534,761.80

Finding the Fourth Proportional to 153,149,383.08, 211,346,147.52 and 83,534,761.80

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Solution

The fourth proportional to 153,149,383.08, 211,346,147.52 and 83,534,761.80 is: 115,277,970.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,149,383.08 : 211,346,147.52 = 83,534,761.80 : x
  2. Step 2: Convert to fraction form
    153,149,383.08/211,346,147.52 = 83,534,761.80/x
  3. Step 3: Cross multiply
    153,149,383.08x = 211,346,147.52 × 83,534,761.80
  4. Step 4: Simplify right side
    153,149,383.08x = 17,654,750,090,430,862
  5. Step 5: Solve for x
    x = 17,654,750,090,430,862/153,149,383.08
  6. Step 6: Final answer
    x = 115,277,970.67

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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.