Home / 256,249,356.46-353,622,226.05-138,771,961.45

Finding the Fourth Proportional to 256,249,356.46, 353,622,226.05 and 138,771,961.45

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Solution

The fourth proportional to 256,249,356.46, 353,622,226.05 and 138,771,961.45 is: 191,504,285.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,249,356.46 : 353,622,226.05 = 138,771,961.45 : x
  2. Step 2: Convert to fraction form
    256,249,356.46/353,622,226.05 = 138,771,961.45/x
  3. Step 3: Cross multiply
    256,249,356.46x = 353,622,226.05 × 138,771,961.45
  4. Step 4: Simplify right side
    256,249,356.46x = 49,072,849,920,389,728
  5. Step 5: Solve for x
    x = 49,072,849,920,389,728/256,249,356.46
  6. Step 6: Final answer
    x = 191,504,285.51

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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.