Home / 223,337,440.67-308,184,076.64-129,232,816.22

Finding the Fourth Proportional to 223,337,440.67, 308,184,076.64 and 129,232,816.22

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Solution

The fourth proportional to 223,337,440.67, 308,184,076.64 and 129,232,816.22 is: 178,328,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,337,440.67 : 308,184,076.64 = 129,232,816.22 : x
  2. Step 2: Convert to fraction form
    223,337,440.67/308,184,076.64 = 129,232,816.22/x
  3. Step 3: Cross multiply
    223,337,440.67x = 308,184,076.64 × 129,232,816.22
  4. Step 4: Simplify right side
    223,337,440.67x = 39,827,496,136,160,432
  5. Step 5: Solve for x
    x = 39,827,496,136,160,432/223,337,440.67
  6. Step 6: Final answer
    x = 178,328,792.60

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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.