Home / 56,943,405.40-85,415,108.10-56,412,563.80

Finding the Fourth Proportional to 56,943,405.40, 85,415,108.10 and 56,412,563.80

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Solution

The fourth proportional to 56,943,405.40, 85,415,108.10 and 56,412,563.80 is: 84,618,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,943,405.40 : 85,415,108.10 = 56,412,563.80 : x
  2. Step 2: Convert to fraction form
    56,943,405.40/85,415,108.10 = 56,412,563.80/x
  3. Step 3: Cross multiply
    56,943,405.40x = 85,415,108.10 × 56,412,563.80
  4. Step 4: Simplify right side
    56,943,405.40x = 4,818,485,235,175,146
  5. Step 5: Solve for x
    x = 4,818,485,235,175,146/56,943,405.40
  6. Step 6: Final answer
    x = 84,618,845.70

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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.