Home / 52,721,914.80-79,130,111.40-45,541,556.40

Finding the Fourth Proportional to 52,721,914.80, 79,130,111.40 and 45,541,556.40

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Solution

The fourth proportional to 52,721,914.80, 79,130,111.40 and 45,541,556.40 is: 68,353,140.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,721,914.80 : 79,130,111.40 = 45,541,556.40 : x
  2. Step 2: Convert to fraction form
    52,721,914.80/79,130,111.40 = 45,541,556.40/x
  3. Step 3: Cross multiply
    52,721,914.80x = 79,130,111.40 × 45,541,556.40
  4. Step 4: Simplify right side
    52,721,914.80x = 3,603,708,431,261,383
  5. Step 5: Solve for x
    x = 3,603,708,431,261,383/52,721,914.80
  6. Step 6: Final answer
    x = 68,353,140.15

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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.