Home / 130,910,577.72-180,616,557.42-75,895,452.60

Finding the Fourth Proportional to 130,910,577.72, 180,616,557.42 and 75,895,452.60

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Solution

The fourth proportional to 130,910,577.72, 180,616,557.42 and 75,895,452.60 is: 104,712,511.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,910,577.72 : 180,616,557.42 = 75,895,452.60 : x
  2. Step 2: Convert to fraction form
    130,910,577.72/180,616,557.42 = 75,895,452.60/x
  3. Step 3: Cross multiply
    130,910,577.72x = 180,616,557.42 × 75,895,452.60
  4. Step 4: Simplify right side
    130,910,577.72x = 13,707,975,372,444,786
  5. Step 5: Solve for x
    x = 13,707,975,372,444,786/130,910,577.72
  6. Step 6: Final answer
    x = 104,712,511.48

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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.