Home / 308,850,021.63-463,353,448.01-142,973,113.77

Finding the Fourth Proportional to 308,850,021.63, 463,353,448.01 and 142,973,113.77

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Solution

The fourth proportional to 308,850,021.63, 463,353,448.01 and 142,973,113.77 is: 214,495,970.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,850,021.63 : 463,353,448.01 = 142,973,113.77 : x
  2. Step 2: Convert to fraction form
    308,850,021.63/463,353,448.01 = 142,973,113.77/x
  3. Step 3: Cross multiply
    308,850,021.63x = 463,353,448.01 × 142,973,113.77
  4. Step 4: Simplify right side
    308,850,021.63x = 66,247,085,237,340,648
  5. Step 5: Solve for x
    x = 66,247,085,237,340,648/308,850,021.63
  6. Step 6: Final answer
    x = 214,495,970.85

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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.