Home / 309,226,578.02-463,839,959.45-90,876,920.39

Finding the Fourth Proportional to 309,226,578.02, 463,839,959.45 and 90,876,920.39

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Solution

The fourth proportional to 309,226,578.02, 463,839,959.45 and 90,876,920.39 is: 136,315,407.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,226,578.02 : 463,839,959.45 = 90,876,920.39 : x
  2. Step 2: Convert to fraction form
    309,226,578.02/463,839,959.45 = 90,876,920.39/x
  3. Step 3: Cross multiply
    309,226,578.02x = 463,839,959.45 × 90,876,920.39
  4. Step 4: Simplify right side
    309,226,578.02x = 42,152,347,068,285,872
  5. Step 5: Solve for x
    x = 42,152,347,068,285,872/309,226,578.02
  6. Step 6: Final answer
    x = 136,315,407.74

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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.