Home / 154,557,661.10-213,292,061.80-88,477,893.50

Finding the Fourth Proportional to 154,557,661.10, 213,292,061.80 and 88,477,893.50

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Solution

The fourth proportional to 154,557,661.10, 213,292,061.80 and 88,477,893.50 is: 122,100,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,557,661.10 : 213,292,061.80 = 88,477,893.50 : x
  2. Step 2: Convert to fraction form
    154,557,661.10/213,292,061.80 = 88,477,893.50/x
  3. Step 3: Cross multiply
    154,557,661.10x = 213,292,061.80 × 88,477,893.50
  4. Step 4: Simplify right side
    154,557,661.10x = 18,871,632,327,048,164
  5. Step 5: Solve for x
    x = 18,871,632,327,048,164/154,557,661.10
  6. Step 6: Final answer
    x = 122,100,918.15

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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.