Home / 51,830,742.60-71,525,055.78-28,625,370.12

Finding the Fourth Proportional to 51,830,742.60, 71,525,055.78 and 28,625,370.12

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Solution

The fourth proportional to 51,830,742.60, 71,525,055.78 and 28,625,370.12 is: 39,502,254.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,830,742.60 : 71,525,055.78 = 28,625,370.12 : x
  2. Step 2: Convert to fraction form
    51,830,742.60/71,525,055.78 = 28,625,370.12/x
  3. Step 3: Cross multiply
    51,830,742.60x = 71,525,055.78 × 28,625,370.12
  4. Step 4: Simplify right side
    51,830,742.60x = 2,047,431,194,556,145.50
  5. Step 5: Solve for x
    x = 2,047,431,194,556,145.50/51,830,742.60
  6. Step 6: Final answer
    x = 39,502,254.68

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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.