Home / 111,702,007.10-167,553,010.65-77,264,630.30

Finding the Fourth Proportional to 111,702,007.10, 167,553,010.65 and 77,264,630.30

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Solution

The fourth proportional to 111,702,007.10, 167,553,010.65 and 77,264,630.30 is: 115,896,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,702,007.10 : 167,553,010.65 = 77,264,630.30 : x
  2. Step 2: Convert to fraction form
    111,702,007.10/167,553,010.65 = 77,264,630.30/x
  3. Step 3: Cross multiply
    111,702,007.10x = 167,553,010.65 × 77,264,630.30
  4. Step 4: Simplify right side
    111,702,007.10x = 12,945,921,423,524,212
  5. Step 5: Solve for x
    x = 12,945,921,423,524,212/111,702,007.10
  6. Step 6: Final answer
    x = 115,896,945.45

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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.