Home / 54,405,061.40-81,607,592.10-51,287,274.20

Finding the Fourth Proportional to 54,405,061.40, 81,607,592.10 and 51,287,274.20

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Solution

The fourth proportional to 54,405,061.40, 81,607,592.10 and 51,287,274.20 is: 76,930,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,405,061.40 : 81,607,592.10 = 51,287,274.20 : x
  2. Step 2: Convert to fraction form
    54,405,061.40/81,607,592.10 = 51,287,274.20/x
  3. Step 3: Cross multiply
    54,405,061.40x = 81,607,592.10 × 51,287,274.20
  4. Step 4: Simplify right side
    54,405,061.40x = 4,185,430,952,834,454
  5. Step 5: Solve for x
    x = 4,185,430,952,834,454/54,405,061.40
  6. Step 6: Final answer
    x = 76,930,911.30

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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.