Home / 53,189,112.80-79,783,669.20-46,470,648.80

Finding the Fourth Proportional to 53,189,112.80, 79,783,669.20 and 46,470,648.80

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Solution

The fourth proportional to 53,189,112.80, 79,783,669.20 and 46,470,648.80 is: 69,705,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,189,112.80 : 79,783,669.20 = 46,470,648.80 : x
  2. Step 2: Convert to fraction form
    53,189,112.80/79,783,669.20 = 46,470,648.80/x
  3. Step 3: Cross multiply
    53,189,112.80x = 79,783,669.20 × 46,470,648.80
  4. Step 4: Simplify right side
    53,189,112.80x = 3,707,598,871,368,577
  5. Step 5: Solve for x
    x = 3,707,598,871,368,577/53,189,112.80
  6. Step 6: Final answer
    x = 69,705,973.20

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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.