Home / 55,989,849.60-83,972,170.80-20,088,057.60

Finding the Fourth Proportional to 55,989,849.60, 83,972,170.80 and 20,088,057.60

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Solution

The fourth proportional to 55,989,849.60, 83,972,170.80 and 20,088,057.60 is: 30,127,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,989,849.60 : 83,972,170.80 = 20,088,057.60 : x
  2. Step 2: Convert to fraction form
    55,989,849.60/83,972,170.80 = 20,088,057.60/x
  3. Step 3: Cross multiply
    55,989,849.60x = 83,972,170.80 × 20,088,057.60
  4. Step 4: Simplify right side
    55,989,849.60x = 1,686,837,803,827,438.25
  5. Step 5: Solve for x
    x = 1,686,837,803,827,438.25/55,989,849.60
  6. Step 6: Final answer
    x = 30,127,564.48

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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.