Home / 69,349,953.09-95,666,651.61-42,879,845.43

Finding the Fourth Proportional to 69,349,953.09, 95,666,651.61 and 42,879,845.43

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Solution

The fourth proportional to 69,349,953.09, 95,666,651.61 and 42,879,845.43 is: 59,151,752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,349,953.09 : 95,666,651.61 = 42,879,845.43 : x
  2. Step 2: Convert to fraction form
    69,349,953.09/95,666,651.61 = 42,879,845.43/x
  3. Step 3: Cross multiply
    69,349,953.09x = 95,666,651.61 × 42,879,845.43
  4. Step 4: Simplify right side
    69,349,953.09x = 4,102,171,233,842,460.50
  5. Step 5: Solve for x
    x = 4,102,171,233,842,460.50/69,349,953.09
  6. Step 6: Final answer
    x = 59,151,752.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.