Home / 56,662,693.20-84,994,039.80-45,325,285.20

Finding the Fourth Proportional to 56,662,693.20, 84,994,039.80 and 45,325,285.20

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Solution

The fourth proportional to 56,662,693.20, 84,994,039.80 and 45,325,285.20 is: 67,987,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,662,693.20 : 84,994,039.80 = 45,325,285.20 : x
  2. Step 2: Convert to fraction form
    56,662,693.20/84,994,039.80 = 45,325,285.20/x
  3. Step 3: Cross multiply
    56,662,693.20x = 84,994,039.80 × 45,325,285.20
  4. Step 4: Simplify right side
    56,662,693.20x = 3,852,379,094,235,151
  5. Step 5: Solve for x
    x = 3,852,379,094,235,151/56,662,693.20
  6. Step 6: Final answer
    x = 67,987,927.80

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Similar ratio
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1.5x scale

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.