Home / 117,422,260.72-162,038,275.14-65,214,657.88

Finding the Fourth Proportional to 117,422,260.72, 162,038,275.14 and 65,214,657.88

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Solution

The fourth proportional to 117,422,260.72, 162,038,275.14 and 65,214,657.88 is: 89,993,759.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,422,260.72 : 162,038,275.14 = 65,214,657.88 : x
  2. Step 2: Convert to fraction form
    117,422,260.72/162,038,275.14 = 65,214,657.88/x
  3. Step 3: Cross multiply
    117,422,260.72x = 162,038,275.14 × 65,214,657.88
  4. Step 4: Simplify right side
    117,422,260.72x = 10,567,270,676,720,408
  5. Step 5: Solve for x
    x = 10,567,270,676,720,408/117,422,260.72
  6. Step 6: Final answer
    x = 89,993,759.38

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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.