Home / 56,338,822.80-84,539,634.06-30,430,601.28

Finding the Fourth Proportional to 56,338,822.80, 84,539,634.06 and 30,430,601.28

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Solution

The fourth proportional to 56,338,822.80, 84,539,634.06 and 30,430,601.28 is: 45,662,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,338,822.80 : 84,539,634.06 = 30,430,601.28 : x
  2. Step 2: Convert to fraction form
    56,338,822.80/84,539,634.06 = 30,430,601.28/x
  3. Step 3: Cross multiply
    56,338,822.80x = 84,539,634.06 × 30,430,601.28
  4. Step 4: Simplify right side
    56,338,822.80x = 2,572,591,896,436,968
  5. Step 5: Solve for x
    x = 2,572,591,896,436,968/56,338,822.80
  6. Step 6: Final answer
    x = 45,662,862.10

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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.