Home / 202,133,746.85-278,945,411.36-109,314,254.69

Finding the Fourth Proportional to 202,133,746.85, 278,945,411.36 and 109,314,254.69

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Solution

The fourth proportional to 202,133,746.85, 278,945,411.36 and 109,314,254.69 is: 150,854,126.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,133,746.85 : 278,945,411.36 = 109,314,254.69 : x
  2. Step 2: Convert to fraction form
    202,133,746.85/278,945,411.36 = 109,314,254.69/x
  3. Step 3: Cross multiply
    202,133,746.85x = 278,945,411.36 × 109,314,254.69
  4. Step 4: Simplify right side
    202,133,746.85x = 30,492,709,740,072,564
  5. Step 5: Solve for x
    x = 30,492,709,740,072,564/202,133,746.85
  6. Step 6: Final answer
    x = 150,854,126.12

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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.