Home / 202,586,312.48-279,569,216.40-109,766,893.28

Finding the Fourth Proportional to 202,586,312.48, 279,569,216.40 and 109,766,893.28

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Solution

The fourth proportional to 202,586,312.48, 279,569,216.40 and 109,766,893.28 is: 151,478,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,586,312.48 : 279,569,216.40 = 109,766,893.28 : x
  2. Step 2: Convert to fraction form
    202,586,312.48/279,569,216.40 = 109,766,893.28/x
  3. Step 3: Cross multiply
    202,586,312.48x = 279,569,216.40 × 109,766,893.28
  4. Step 4: Simplify right side
    202,586,312.48x = 30,687,444,340,952,024
  5. Step 5: Solve for x
    x = 30,687,444,340,952,024/202,586,312.48
  6. Step 6: Final answer
    x = 151,478,369.71

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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.