Home / 145,958,572.80-218,909,865.60-43,725,945.60

Finding the Fourth Proportional to 145,958,572.80, 218,909,865.60 and 43,725,945.60

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Solution

The fourth proportional to 145,958,572.80, 218,909,865.60 and 43,725,945.60 is: 65,580,532.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,958,572.80 : 218,909,865.60 = 43,725,945.60 : x
  2. Step 2: Convert to fraction form
    145,958,572.80/218,909,865.60 = 43,725,945.60/x
  3. Step 3: Cross multiply
    145,958,572.80x = 218,909,865.60 × 43,725,945.60
  4. Step 4: Simplify right side
    145,958,572.80x = 9,572,040,874,528,912
  5. Step 5: Solve for x
    x = 9,572,040,874,528,912/145,958,572.80
  6. Step 6: Final answer
    x = 65,580,532.14

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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.