Home / 212,657,490.64-318,986,236.14-51,099,426.64

Finding the Fourth Proportional to 212,657,490.64, 318,986,236.14 and 51,099,426.64

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Solution

The fourth proportional to 212,657,490.64, 318,986,236.14 and 51,099,426.64 is: 76,649,140.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,657,490.64 : 318,986,236.14 = 51,099,426.64 : x
  2. Step 2: Convert to fraction form
    212,657,490.64/318,986,236.14 = 51,099,426.64/x
  3. Step 3: Cross multiply
    212,657,490.64x = 318,986,236.14 × 51,099,426.64
  4. Step 4: Simplify right side
    212,657,490.64x = 16,300,013,772,805,646
  5. Step 5: Solve for x
    x = 16,300,013,772,805,646/212,657,490.64
  6. Step 6: Final answer
    x = 76,649,140.00

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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.