Home / 54,579,615.63-75,326,474.28-31,063,869.89

Finding the Fourth Proportional to 54,579,615.63, 75,326,474.28 and 31,063,869.89

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Solution

The fourth proportional to 54,579,615.63, 75,326,474.28 and 31,063,869.89 is: 42,871,899.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,579,615.63 : 75,326,474.28 = 31,063,869.89 : x
  2. Step 2: Convert to fraction form
    54,579,615.63/75,326,474.28 = 31,063,869.89/x
  3. Step 3: Cross multiply
    54,579,615.63x = 75,326,474.28 × 31,063,869.89
  4. Step 4: Simplify right side
    54,579,615.63x = 2,339,931,796,306,351.50
  5. Step 5: Solve for x
    x = 2,339,931,796,306,351.50/54,579,615.63
  6. Step 6: Final answer
    x = 42,871,899.50

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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.