Home / 67,128,642,328.02-92,639,718,978.21-36,646,451,298.78

Finding the Fourth Proportional to 67,128,642,328.02, 92,639,718,978.21 and 36,646,451,298.78

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Solution

The fourth proportional to 67,128,642,328.02, 92,639,718,978.21 and 36,646,451,298.78 is: 50,573,299,744.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,128,642,328.02 : 92,639,718,978.21 = 36,646,451,298.78 : x
  2. Step 2: Convert to fraction form
    67,128,642,328.02/92,639,718,978.21 = 36,646,451,298.78/x
  3. Step 3: Cross multiply
    67,128,642,328.02x = 92,639,718,978.21 × 36,646,451,298.78
  4. Step 4: Simplify right side
    67,128,642,328.02x = 3,394,916,949,867,638,030,336
  5. Step 5: Solve for x
    x = 3,394,916,949,867,638,030,336/67,128,642,328.02
  6. Step 6: Final answer
    x = 50,573,299,744.07

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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.