Home / 55,557,499.84-83,269,065.12-28,616,459.20

Finding the Fourth Proportional to 55,557,499.84, 83,269,065.12 and 28,616,459.20

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Solution

The fourth proportional to 55,557,499.84, 83,269,065.12 and 28,616,459.20 is: 42,890,083.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,557,499.84 : 83,269,065.12 = 28,616,459.20 : x
  2. Step 2: Convert to fraction form
    55,557,499.84/83,269,065.12 = 28,616,459.20/x
  3. Step 3: Cross multiply
    55,557,499.84x = 83,269,065.12 × 28,616,459.20
  4. Step 4: Simplify right side
    55,557,499.84x = 2,382,865,804,628,623
  5. Step 5: Solve for x
    x = 2,382,865,804,628,623/55,557,499.84
  6. Step 6: Final answer
    x = 42,890,083.45

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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.