Home / 81,594,047.10-122,391,070.65-81,594,047.10

Finding the Fourth Proportional to 81,594,047.10, 122,391,070.65 and 81,594,047.10

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Solution

The fourth proportional to 81,594,047.10, 122,391,070.65 and 81,594,047.10 is: 122,391,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,594,047.10 : 122,391,070.65 = 81,594,047.10 : x
  2. Step 2: Convert to fraction form
    81,594,047.10/122,391,070.65 = 81,594,047.10/x
  3. Step 3: Cross multiply
    81,594,047.10x = 122,391,070.65 × 81,594,047.10
  4. Step 4: Simplify right side
    81,594,047.10x = 9,986,382,783,235,528
  5. Step 5: Solve for x
    x = 9,986,382,783,235,528/81,594,047.10
  6. Step 6: Final answer
    x = 122,391,070.65

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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.