Home / 117,435,999.60-176,153,999.40-76,621,330.80

Finding the Fourth Proportional to 117,435,999.60, 176,153,999.40 and 76,621,330.80

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Solution

The fourth proportional to 117,435,999.60, 176,153,999.40 and 76,621,330.80 is: 114,931,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,435,999.60 : 176,153,999.40 = 76,621,330.80 : x
  2. Step 2: Convert to fraction form
    117,435,999.60/176,153,999.40 = 76,621,330.80/x
  3. Step 3: Cross multiply
    117,435,999.60x = 176,153,999.40 × 76,621,330.80
  4. Step 4: Simplify right side
    117,435,999.60x = 13,497,153,859,770,402
  5. Step 5: Solve for x
    x = 13,497,153,859,770,402/117,435,999.60
  6. Step 6: Final answer
    x = 114,931,996.20

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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.