Home / 256,223,920.63-384,256,392.45-92,440,385.95

Finding the Fourth Proportional to 256,223,920.63, 384,256,392.45 and 92,440,385.95

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Solution

The fourth proportional to 256,223,920.63, 384,256,392.45 and 92,440,385.95 is: 138,631,901.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,223,920.63 : 384,256,392.45 = 92,440,385.95 : x
  2. Step 2: Convert to fraction form
    256,223,920.63/384,256,392.45 = 92,440,385.95/x
  3. Step 3: Cross multiply
    256,223,920.63x = 384,256,392.45 × 92,440,385.95
  4. Step 4: Simplify right side
    256,223,920.63x = 35,520,809,221,832,668
  5. Step 5: Solve for x
    x = 35,520,809,221,832,668/256,223,920.63
  6. Step 6: Final answer
    x = 138,631,901.09

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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.