Home / 70,057,298.88-105,095,977.50-21,539,226.60

Finding the Fourth Proportional to 70,057,298.88, 105,095,977.50 and 21,539,226.60

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Solution

The fourth proportional to 70,057,298.88, 105,095,977.50 and 21,539,226.60 is: 32,311,923.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,057,298.88 : 105,095,977.50 = 21,539,226.60 : x
  2. Step 2: Convert to fraction form
    70,057,298.88/105,095,977.50 = 21,539,226.60/x
  3. Step 3: Cross multiply
    70,057,298.88x = 105,095,977.50 × 21,539,226.60
  4. Step 4: Simplify right side
    70,057,298.88x = 2,263,686,074,121,001.50
  5. Step 5: Solve for x
    x = 2,263,686,074,121,001.50/70,057,298.88
  6. Step 6: Final answer
    x = 32,311,923.39

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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.