Home / 55,813,625.12-77,029,187.28-31,036,282.40

Finding the Fourth Proportional to 55,813,625.12, 77,029,187.28 and 31,036,282.40

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Solution

The fourth proportional to 55,813,625.12, 77,029,187.28 and 31,036,282.40 is: 42,833,620.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,813,625.12 : 77,029,187.28 = 31,036,282.40 : x
  2. Step 2: Convert to fraction form
    55,813,625.12/77,029,187.28 = 31,036,282.40/x
  3. Step 3: Cross multiply
    55,813,625.12x = 77,029,187.28 × 31,036,282.40
  4. Step 4: Simplify right side
    55,813,625.12x = 2,390,699,609,464,568
  5. Step 5: Solve for x
    x = 2,390,699,609,464,568/55,813,625.12
  6. Step 6: Final answer
    x = 42,833,620.00

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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.