Home / 122,568,840.36-169,155,111.51-70,367,949.72

Finding the Fourth Proportional to 122,568,840.36, 169,155,111.51 and 70,367,949.72

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Solution

The fourth proportional to 122,568,840.36, 169,155,111.51 and 70,367,949.72 is: 97,113,575.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,568,840.36 : 169,155,111.51 = 70,367,949.72 : x
  2. Step 2: Convert to fraction form
    122,568,840.36/169,155,111.51 = 70,367,949.72/x
  3. Step 3: Cross multiply
    122,568,840.36x = 169,155,111.51 × 70,367,949.72
  4. Step 4: Simplify right side
    122,568,840.36x = 11,903,098,381,616,672
  5. Step 5: Solve for x
    x = 11,903,098,381,616,672/122,568,840.36
  6. Step 6: Final answer
    x = 97,113,575.90

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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.