Home / 111,803,951.20-167,328,013.20-98,199,061.60

Finding the Fourth Proportional to 111,803,951.20, 167,328,013.20 and 98,199,061.60

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Solution

The fourth proportional to 111,803,951.20, 167,328,013.20 and 98,199,061.60 is: 146,966,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,803,951.20 : 167,328,013.20 = 98,199,061.60 : x
  2. Step 2: Convert to fraction form
    111,803,951.20/167,328,013.20 = 98,199,061.60/x
  3. Step 3: Cross multiply
    111,803,951.20x = 167,328,013.20 × 98,199,061.60
  4. Step 4: Simplify right side
    111,803,951.20x = 16,431,453,875,632,410
  5. Step 5: Solve for x
    x = 16,431,453,875,632,410/111,803,951.20
  6. Step 6: Final answer
    x = 146,966,665.30

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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.