Home / 150,144,394.93-207,221,018.03-84,069,151.35

Finding the Fourth Proportional to 150,144,394.93, 207,221,018.03 and 84,069,151.35

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Solution

The fourth proportional to 150,144,394.93, 207,221,018.03 and 84,069,151.35 is: 116,027,608.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,144,394.93 : 207,221,018.03 = 84,069,151.35 : x
  2. Step 2: Convert to fraction form
    150,144,394.93/207,221,018.03 = 84,069,151.35/x
  3. Step 3: Cross multiply
    150,144,394.93x = 207,221,018.03 × 84,069,151.35
  4. Step 4: Simplify right side
    150,144,394.93x = 17,420,895,126,208,698
  5. Step 5: Solve for x
    x = 17,420,895,126,208,698/150,144,394.93
  6. Step 6: Final answer
    x = 116,027,608.85

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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.