Home / 256,249,358.46-353,622,228.80-138,771,963.44

Finding the Fourth Proportional to 256,249,358.46, 353,622,228.80 and 138,771,963.44

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Solution

The fourth proportional to 256,249,358.46, 353,622,228.80 and 138,771,963.44 is: 191,504,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,249,358.46 : 353,622,228.80 = 138,771,963.44 : x
  2. Step 2: Convert to fraction form
    256,249,358.46/353,622,228.80 = 138,771,963.44/x
  3. Step 3: Cross multiply
    256,249,358.46x = 353,622,228.80 × 138,771,963.44
  4. Step 4: Simplify right side
    256,249,358.46x = 49,072,851,006,604,912
  5. Step 5: Solve for x
    x = 49,072,851,006,604,912/256,249,358.46
  6. Step 6: Final answer
    x = 191,504,288.25

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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.