Home / 274,221,287.21-411,363,141.16-99,426,639.44

Finding the Fourth Proportional to 274,221,287.21, 411,363,141.16 and 99,426,639.44

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Solution

The fourth proportional to 274,221,287.21, 411,363,141.16 and 99,426,639.44 is: 149,151,275.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,221,287.21 : 411,363,141.16 = 99,426,639.44 : x
  2. Step 2: Convert to fraction form
    274,221,287.21/411,363,141.16 = 99,426,639.44/x
  3. Step 3: Cross multiply
    274,221,287.21x = 411,363,141.16 × 99,426,639.44
  4. Step 4: Simplify right side
    274,221,287.21x = 40,900,454,715,800,984
  5. Step 5: Solve for x
    x = 40,900,454,715,800,984/274,221,287.21
  6. Step 6: Final answer
    x = 149,151,275.35

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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.