Home / 55,721,804.40-83,417,369.40-41,408,326.80

Finding the Fourth Proportional to 55,721,804.40, 83,417,369.40 and 41,408,326.80

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Solution

The fourth proportional to 55,721,804.40, 83,417,369.40 and 41,408,326.80 is: 61,989,623.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,721,804.40 : 83,417,369.40 = 41,408,326.80 : x
  2. Step 2: Convert to fraction form
    55,721,804.40/83,417,369.40 = 41,408,326.80/x
  3. Step 3: Cross multiply
    55,721,804.40x = 83,417,369.40 × 41,408,326.80
  4. Step 4: Simplify right side
    55,721,804.40x = 3,454,173,692,911,520
  5. Step 5: Solve for x
    x = 3,454,173,692,911,520/55,721,804.40
  6. Step 6: Final answer
    x = 61,989,623.81

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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.