Home / 256,562,280.61-354,042,311.21-145,046,454.11

Finding the Fourth Proportional to 256,562,280.61, 354,042,311.21 and 145,046,454.11

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Solution

The fourth proportional to 256,562,280.61, 354,042,311.21 and 145,046,454.11 is: 200,156,397.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,562,280.61 : 354,042,311.21 = 145,046,454.11 : x
  2. Step 2: Convert to fraction form
    256,562,280.61/354,042,311.21 = 145,046,454.11/x
  3. Step 3: Cross multiply
    256,562,280.61x = 354,042,311.21 × 145,046,454.11
  4. Step 4: Simplify right side
    256,562,280.61x = 51,352,581,843,424,152
  5. Step 5: Solve for x
    x = 51,352,581,843,424,152/256,562,280.61
  6. Step 6: Final answer
    x = 200,156,397.59

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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.