Home / 56,977,335.36-78,628,611.96-30,872,559.96

Finding the Fourth Proportional to 56,977,335.36, 78,628,611.96 and 30,872,559.96

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Solution

The fourth proportional to 56,977,335.36, 78,628,611.96 and 30,872,559.96 is: 42,604,072.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,977,335.36 : 78,628,611.96 = 30,872,559.96 : x
  2. Step 2: Convert to fraction form
    56,977,335.36/78,628,611.96 = 30,872,559.96/x
  3. Step 3: Cross multiply
    56,977,335.36x = 78,628,611.96 × 30,872,559.96
  4. Step 4: Simplify right side
    56,977,335.36x = 2,427,466,537,306,673
  5. Step 5: Solve for x
    x = 2,427,466,537,306,673/56,977,335.36
  6. Step 6: Final answer
    x = 42,604,072.69

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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.