Home / 70,057,275.29-105,095,941.90-21,539,202.87

Finding the Fourth Proportional to 70,057,275.29, 105,095,941.90 and 21,539,202.87

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Solution

The fourth proportional to 70,057,275.29, 105,095,941.90 and 21,539,202.87 is: 32,311,887.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,057,275.29 : 105,095,941.90 = 21,539,202.87 : x
  2. Step 2: Convert to fraction form
    70,057,275.29/105,095,941.90 = 21,539,202.87/x
  3. Step 3: Cross multiply
    70,057,275.29x = 105,095,941.90 × 21,539,202.87
  4. Step 4: Simplify right side
    70,057,275.29x = 2,263,682,813,738,095
  5. Step 5: Solve for x
    x = 2,263,682,813,738,095/70,057,275.29
  6. Step 6: Final answer
    x = 32,311,887.73

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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.