Home / 69,851,541.93-104,792,649.28-20,663,544.50

Finding the Fourth Proportional to 69,851,541.93, 104,792,649.28 and 20,663,544.50

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Solution

The fourth proportional to 69,851,541.93, 104,792,649.28 and 20,663,544.50 is: 30,999,853.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,851,541.93 : 104,792,649.28 = 20,663,544.50 : x
  2. Step 2: Convert to fraction form
    69,851,541.93/104,792,649.28 = 20,663,544.50/x
  3. Step 3: Cross multiply
    69,851,541.93x = 104,792,649.28 × 20,663,544.50
  4. Step 4: Simplify right side
    69,851,541.93x = 2,165,387,571,880,496
  5. Step 5: Solve for x
    x = 2,165,387,571,880,496/69,851,541.93
  6. Step 6: Final answer
    x = 30,999,853.58

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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.