Home / 212,813,846.40-319,220,769.60-169,767,125.40

Finding the Fourth Proportional to 212,813,846.40, 319,220,769.60 and 169,767,125.40

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Solution

The fourth proportional to 212,813,846.40, 319,220,769.60 and 169,767,125.40 is: 254,650,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,813,846.40 : 319,220,769.60 = 169,767,125.40 : x
  2. Step 2: Convert to fraction form
    212,813,846.40/319,220,769.60 = 169,767,125.40/x
  3. Step 3: Cross multiply
    212,813,846.40x = 319,220,769.60 × 169,767,125.40
  4. Step 4: Simplify right side
    212,813,846.40x = 54,193,192,422,967,712
  5. Step 5: Solve for x
    x = 54,193,192,422,967,712/212,813,846.40
  6. Step 6: Final answer
    x = 254,650,688.10

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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.