Home / 52,938,859.41-79,374,303.13-20,556,256.59

Finding the Fourth Proportional to 52,938,859.41, 79,374,303.13 and 20,556,256.59

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Solution

The fourth proportional to 52,938,859.41, 79,374,303.13 and 20,556,256.59 is: 30,821,188.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,938,859.41 : 79,374,303.13 = 20,556,256.59 : x
  2. Step 2: Convert to fraction form
    52,938,859.41/79,374,303.13 = 20,556,256.59/x
  3. Step 3: Cross multiply
    52,938,859.41x = 79,374,303.13 × 20,556,256.59
  4. Step 4: Simplify right side
    52,938,859.41x = 1,631,638,541,817,911.50
  5. Step 5: Solve for x
    x = 1,631,638,541,817,911.50/52,938,859.41
  6. Step 6: Final answer
    x = 30,821,188.07

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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.