Home / 133,020,517.44-183,528,195.04-77,255,188.48

Finding the Fourth Proportional to 133,020,517.44, 183,528,195.04 and 77,255,188.48

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Solution

The fourth proportional to 133,020,517.44, 183,528,195.04 and 77,255,188.48 is: 106,588,859.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,020,517.44 : 183,528,195.04 = 77,255,188.48 : x
  2. Step 2: Convert to fraction form
    133,020,517.44/183,528,195.04 = 77,255,188.48/x
  3. Step 3: Cross multiply
    133,020,517.44x = 183,528,195.04 × 77,255,188.48
  4. Step 4: Simplify right side
    133,020,517.44x = 14,178,505,299,209,402
  5. Step 5: Solve for x
    x = 14,178,505,299,209,402/133,020,517.44
  6. Step 6: Final answer
    x = 106,588,859.91

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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.