Home / 145,958,581.80-218,909,879.10-43,725,954.60

Finding the Fourth Proportional to 145,958,581.80, 218,909,879.10 and 43,725,954.60

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Solution

The fourth proportional to 145,958,581.80, 218,909,879.10 and 43,725,954.60 is: 65,580,545.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,958,581.80 : 218,909,879.10 = 43,725,954.60 : x
  2. Step 2: Convert to fraction form
    145,958,581.80/218,909,879.10 = 43,725,954.60/x
  3. Step 3: Cross multiply
    145,958,581.80x = 218,909,879.10 × 43,725,954.60
  4. Step 4: Simplify right side
    145,958,581.80x = 9,572,043,435,018,088
  5. Step 5: Solve for x
    x = 9,572,043,435,018,088/145,958,581.80
  6. Step 6: Final answer
    x = 65,580,545.64

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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.