Home / 155,196,025.81-214,175,685.91-84,635,485.90

Finding the Fourth Proportional to 155,196,025.81, 214,175,685.91 and 84,635,485.90

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Solution

The fourth proportional to 155,196,025.81, 214,175,685.91 and 84,635,485.90 is: 116,799,790.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,196,025.81 : 214,175,685.91 = 84,635,485.90 : x
  2. Step 2: Convert to fraction form
    155,196,025.81/214,175,685.91 = 84,635,485.90/x
  3. Step 3: Cross multiply
    155,196,025.81x = 214,175,685.91 × 84,635,485.90
  4. Step 4: Simplify right side
    155,196,025.81x = 18,126,863,244,211,604
  5. Step 5: Solve for x
    x = 18,126,863,244,211,604/155,196,025.81
  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.