Home / 66,765,440.28-99,975,686.60-46,079,726.75

Finding the Fourth Proportional to 66,765,440.28, 99,975,686.60 and 46,079,726.75

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Solution

The fourth proportional to 66,765,440.28, 99,975,686.60 and 46,079,726.75 is: 69,000,553.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,765,440.28 : 99,975,686.60 = 46,079,726.75 : x
  2. Step 2: Convert to fraction form
    66,765,440.28/99,975,686.60 = 46,079,726.75/x
  3. Step 3: Cross multiply
    66,765,440.28x = 99,975,686.60 × 46,079,726.75
  4. Step 4: Simplify right side
    66,765,440.28x = 4,606,852,320,388,999
  5. Step 5: Solve for x
    x = 4,606,852,320,388,999/66,765,440.28
  6. Step 6: Final answer
    x = 69,000,553.29

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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.