Home / 151,432,484.14-209,149,208.40-101,786,666.26

Finding the Fourth Proportional to 151,432,484.14, 209,149,208.40 and 101,786,666.26

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Solution

The fourth proportional to 151,432,484.14, 209,149,208.40 and 101,786,666.26 is: 140,581,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,432,484.14 : 209,149,208.40 = 101,786,666.26 : x
  2. Step 2: Convert to fraction form
    151,432,484.14/209,149,208.40 = 101,786,666.26/x
  3. Step 3: Cross multiply
    151,432,484.14x = 209,149,208.40 × 101,786,666.26
  4. Step 4: Simplify right side
    151,432,484.14x = 21,288,600,673,953,992
  5. Step 5: Solve for x
    x = 21,288,600,673,953,992/151,432,484.14
  6. Step 6: Final answer
    x = 140,581,466.35

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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.