Home / 291,344,661.90-436,947,008.85-168,256,802.70

Finding the Fourth Proportional to 291,344,661.90, 436,947,008.85 and 168,256,802.70

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Solution

The fourth proportional to 291,344,661.90, 436,947,008.85 and 168,256,802.70 is: 252,344,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,344,661.90 : 436,947,008.85 = 168,256,802.70 : x
  2. Step 2: Convert to fraction form
    291,344,661.90/436,947,008.85 = 168,256,802.70/x
  3. Step 3: Cross multiply
    291,344,661.90x = 436,947,008.85 × 168,256,802.70
  4. Step 4: Simplify right side
    291,344,661.90x = 73,519,306,658,429,600
  5. Step 5: Solve for x
    x = 73,519,306,658,429,600/291,344,661.90
  6. Step 6: Final answer
    x = 252,344,787.03

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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.