Home / 69,552,866.79-104,329,660.10-40,778,824.23

Finding the Fourth Proportional to 69,552,866.79, 104,329,660.10 and 40,778,824.23

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Solution

The fourth proportional to 69,552,866.79, 104,329,660.10 and 40,778,824.23 is: 61,168,447.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,552,866.79 : 104,329,660.10 = 40,778,824.23 : x
  2. Step 2: Convert to fraction form
    69,552,866.79/104,329,660.10 = 40,778,824.23/x
  3. Step 3: Cross multiply
    69,552,866.79x = 104,329,660.10 × 40,778,824.23
  4. Step 4: Simplify right side
    69,552,866.79x = 4,254,440,870,989,649.50
  5. Step 5: Solve for x
    x = 4,254,440,870,989,649.50/69,552,866.79
  6. Step 6: Final answer
    x = 61,168,447.36

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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.