Home / 51,569,343.48-77,362,828.02-21,260,638.20

Finding the Fourth Proportional to 51,569,343.48, 77,362,828.02 and 21,260,638.20

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Solution

The fourth proportional to 51,569,343.48, 77,362,828.02 and 21,260,638.20 is: 31,894,590.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,569,343.48 : 77,362,828.02 = 21,260,638.20 : x
  2. Step 2: Convert to fraction form
    51,569,343.48/77,362,828.02 = 21,260,638.20/x
  3. Step 3: Cross multiply
    51,569,343.48x = 77,362,828.02 × 21,260,638.20
  4. Step 4: Simplify right side
    51,569,343.48x = 1,644,783,096,662,042.25
  5. Step 5: Solve for x
    x = 1,644,783,096,662,042.25/51,569,343.48
  6. Step 6: Final answer
    x = 31,894,590.58

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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.