Home / 256,562,281.61-354,042,312.58-145,046,455.11

Finding the Fourth Proportional to 256,562,281.61, 354,042,312.58 and 145,046,455.11

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Solution

The fourth proportional to 256,562,281.61, 354,042,312.58 and 145,046,455.11 is: 200,156,398.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,562,281.61 : 354,042,312.58 = 145,046,455.11 : x
  2. Step 2: Convert to fraction form
    256,562,281.61/354,042,312.58 = 145,046,455.11/x
  3. Step 3: Cross multiply
    256,562,281.61x = 354,042,312.58 × 145,046,455.11
  4. Step 4: Simplify right side
    256,562,281.61x = 51,352,582,398,675,560
  5. Step 5: Solve for x
    x = 51,352,582,398,675,560/256,562,281.61
  6. Step 6: Final answer
    x = 200,156,398.97

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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.