Home / 155,196,025.82-214,175,685.92-84,635,485.91

Finding the Fourth Proportional to 155,196,025.82, 214,175,685.92 and 84,635,485.91

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Solution

The fourth proportional to 155,196,025.82, 214,175,685.92 and 84,635,485.91 is: 116,799,790.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,196,025.82 : 214,175,685.92 = 84,635,485.91 : x
  2. Step 2: Convert to fraction form
    155,196,025.82/214,175,685.92 = 84,635,485.91/x
  3. Step 3: Cross multiply
    155,196,025.82x = 214,175,685.92 × 84,635,485.91
  4. Step 4: Simplify right side
    155,196,025.82x = 18,126,863,246,452,688
  5. Step 5: Solve for x
    x = 18,126,863,246,452,688/155,196,025.82
  6. Step 6: Final answer
    x = 116,799,790.14

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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.