Home / 111,328,349.60-167,328,447.60-96,547,728.80

Finding the Fourth Proportional to 111,328,349.60, 167,328,447.60 and 96,547,728.80

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Solution

The fourth proportional to 111,328,349.60, 167,328,447.60 and 96,547,728.80 is: 145,112,917.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,328,349.60 : 167,328,447.60 = 96,547,728.80 : x
  2. Step 2: Convert to fraction form
    111,328,349.60/167,328,447.60 = 96,547,728.80/x
  3. Step 3: Cross multiply
    111,328,349.60x = 167,328,447.60 × 96,547,728.80
  4. Step 4: Simplify right side
    111,328,349.60x = 16,155,181,579,409,810
  5. Step 5: Solve for x
    x = 16,155,181,579,409,810/111,328,349.60
  6. Step 6: Final answer
    x = 145,112,917.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.