Home / 75,486,075.90-113,215,825.17-20,154,597.54

Finding the Fourth Proportional to 75,486,075.90, 113,215,825.17 and 20,154,597.54

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Solution

The fourth proportional to 75,486,075.90, 113,215,825.17 and 20,154,597.54 is: 30,228,348.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,486,075.90 : 113,215,825.17 = 20,154,597.54 : x
  2. Step 2: Convert to fraction form
    75,486,075.90/113,215,825.17 = 20,154,597.54/x
  3. Step 3: Cross multiply
    75,486,075.90x = 113,215,825.17 × 20,154,597.54
  4. Step 4: Simplify right side
    75,486,075.90x = 2,281,819,391,460,352
  5. Step 5: Solve for x
    x = 2,281,819,391,460,352/75,486,075.90
  6. Step 6: Final answer
    x = 30,228,348.26

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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.