Home / 133,385,683.70-184,072,243.50-72,338,899.70

Finding the Fourth Proportional to 133,385,683.70, 184,072,243.50 and 72,338,899.70

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Solution

The fourth proportional to 133,385,683.70, 184,072,243.50 and 72,338,899.70 is: 99,827,681.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,385,683.70 : 184,072,243.50 = 72,338,899.70 : x
  2. Step 2: Convert to fraction form
    133,385,683.70/184,072,243.50 = 72,338,899.70/x
  3. Step 3: Cross multiply
    133,385,683.70x = 184,072,243.50 × 72,338,899.70
  4. Step 4: Simplify right side
    133,385,683.70x = 13,315,583,560,100,478
  5. Step 5: Solve for x
    x = 13,315,583,560,100,478/133,385,683.70
  6. Step 6: Final answer
    x = 99,827,681.58

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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.