Home / 157,426,845.40-236,184,504.90-76,650,448.60

Finding the Fourth Proportional to 157,426,845.40, 236,184,504.90 and 76,650,448.60

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Solution

The fourth proportional to 157,426,845.40, 236,184,504.90 and 76,650,448.60 is: 114,997,211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,426,845.40 : 236,184,504.90 = 76,650,448.60 : x
  2. Step 2: Convert to fraction form
    157,426,845.40/236,184,504.90 = 76,650,448.60/x
  3. Step 3: Cross multiply
    157,426,845.40x = 236,184,504.90 × 76,650,448.60
  4. Step 4: Simplify right side
    157,426,845.40x = 18,103,648,252,953,896
  5. Step 5: Solve for x
    x = 18,103,648,252,953,896/157,426,845.40
  6. Step 6: Final answer
    x = 114,997,211.61

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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.