Home / 80,803,651.86-111,509,380.10-45,521,880.28

Finding the Fourth Proportional to 80,803,651.86, 111,509,380.10 and 45,521,880.28

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Solution

The fourth proportional to 80,803,651.86, 111,509,380.10 and 45,521,880.28 is: 62,820,386.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,803,651.86 : 111,509,380.10 = 45,521,880.28 : x
  2. Step 2: Convert to fraction form
    80,803,651.86/111,509,380.10 = 45,521,880.28/x
  3. Step 3: Cross multiply
    80,803,651.86x = 111,509,380.10 × 45,521,880.28
  4. Step 4: Simplify right side
    80,803,651.86x = 5,076,116,650,844,246
  5. Step 5: Solve for x
    x = 5,076,116,650,844,246/80,803,651.86
  6. Step 6: Final answer
    x = 62,820,386.63

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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.