Home / 48,436,089.89-66,803,963.63-31,034,130.89

Finding the Fourth Proportional to 48,436,089.89, 66,803,963.63 and 31,034,130.89

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Solution

The fourth proportional to 48,436,089.89, 66,803,963.63 and 31,034,130.89 is: 42,802,855.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,436,089.89 : 66,803,963.63 = 31,034,130.89 : x
  2. Step 2: Convert to fraction form
    48,436,089.89/66,803,963.63 = 31,034,130.89/x
  3. Step 3: Cross multiply
    48,436,089.89x = 66,803,963.63 × 31,034,130.89
  4. Step 4: Simplify right side
    48,436,089.89x = 2,073,202,950,775,029.25
  5. Step 5: Solve for x
    x = 2,073,202,950,775,029.25/48,436,089.89
  6. Step 6: Final answer
    x = 42,802,855.39

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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.