Home / 70,057,297.88-105,095,976-21,539,225.60

Finding the Fourth Proportional to 70,057,297.88, 105,095,976 and 21,539,225.60

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Solution

The fourth proportional to 70,057,297.88, 105,095,976 and 21,539,225.60 is: 32,311,921.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,057,297.88 : 105,095,976 = 21,539,225.60 : x
  2. Step 2: Convert to fraction form
    70,057,297.88/105,095,976 = 21,539,225.60/x
  3. Step 3: Cross multiply
    70,057,297.88x = 105,095,976 × 21,539,225.60
  4. Step 4: Simplify right side
    70,057,297.88x = 2,263,685,936,716,186
  5. Step 5: Solve for x
    x = 2,263,685,936,716,186/70,057,297.88
  6. Step 6: Final answer
    x = 32,311,921.89

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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.