Home / 111,328,390.60-167,328,509.10-96,547,769.80

Finding the Fourth Proportional to 111,328,390.60, 167,328,509.10 and 96,547,769.80

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Solution

The fourth proportional to 111,328,390.60, 167,328,509.10 and 96,547,769.80 is: 145,112,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,328,390.60 : 167,328,509.10 = 96,547,769.80 : x
  2. Step 2: Convert to fraction form
    111,328,390.60/167,328,509.10 = 96,547,769.80/x
  3. Step 3: Cross multiply
    111,328,390.60x = 167,328,509.10 × 96,547,769.80
  4. Step 4: Simplify right side
    111,328,390.60x = 16,155,194,377,564,004
  5. Step 5: Solve for x
    x = 16,155,194,377,564,004/111,328,390.60
  6. Step 6: Final answer
    x = 145,112,978.73

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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.