Home / 202,133,746.37-278,945,410.73-109,314,254.21

Finding the Fourth Proportional to 202,133,746.37, 278,945,410.73 and 109,314,254.21

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Solution

The fourth proportional to 202,133,746.37, 278,945,410.73 and 109,314,254.21 is: 150,854,125.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,133,746.37 : 278,945,410.73 = 109,314,254.21 : x
  2. Step 2: Convert to fraction form
    202,133,746.37/278,945,410.73 = 109,314,254.21/x
  3. Step 3: Cross multiply
    202,133,746.37x = 278,945,410.73 × 109,314,254.21
  4. Step 4: Simplify right side
    202,133,746.37x = 30,492,709,539,402,880
  5. Step 5: Solve for x
    x = 30,492,709,539,402,880/202,133,746.37
  6. Step 6: Final answer
    x = 150,854,125.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.