Home / 69,158,969.64-103,645,726.14-53,824,775.72

Finding the Fourth Proportional to 69,158,969.64, 103,645,726.14 and 53,824,775.72

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Solution

The fourth proportional to 69,158,969.64, 103,645,726.14 and 53,824,775.72 is: 80,664,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,158,969.64 : 103,645,726.14 = 53,824,775.72 : x
  2. Step 2: Convert to fraction form
    69,158,969.64/103,645,726.14 = 53,824,775.72/x
  3. Step 3: Cross multiply
    69,158,969.64x = 103,645,726.14 × 53,824,775.72
  4. Step 4: Simplify right side
    69,158,969.64x = 5,578,707,963,822,041
  5. Step 5: Solve for x
    x = 5,578,707,963,822,041/69,158,969.64
  6. Step 6: Final answer
    x = 80,664,995.34

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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.