Home / 58,285,821.05-87,422,740.26-19,420,075.25

Finding the Fourth Proportional to 58,285,821.05, 87,422,740.26 and 19,420,075.25

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Solution

The fourth proportional to 58,285,821.05, 87,422,740.26 and 19,420,075.25 is: 29,128,116.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,285,821.05 : 87,422,740.26 = 19,420,075.25 : x
  2. Step 2: Convert to fraction form
    58,285,821.05/87,422,740.26 = 19,420,075.25/x
  3. Step 3: Cross multiply
    58,285,821.05x = 87,422,740.26 × 19,420,075.25
  4. Step 4: Simplify right side
    58,285,821.05x = 1,697,756,194,228,300.75
  5. Step 5: Solve for x
    x = 1,697,756,194,228,300.75/58,285,821.05
  6. Step 6: Final answer
    x = 29,128,116.64

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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.