Home / 126,075,344.70-189,113,017.05-49,372,880.70

Finding the Fourth Proportional to 126,075,344.70, 189,113,017.05 and 49,372,880.70

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Solution

The fourth proportional to 126,075,344.70, 189,113,017.05 and 49,372,880.70 is: 74,059,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,075,344.70 : 189,113,017.05 = 49,372,880.70 : x
  2. Step 2: Convert to fraction form
    126,075,344.70/189,113,017.05 = 49,372,880.70/x
  3. Step 3: Cross multiply
    126,075,344.70x = 189,113,017.05 × 49,372,880.70
  4. Step 4: Simplify right side
    126,075,344.70x = 9,337,054,429,626,718
  5. Step 5: Solve for x
    x = 9,337,054,429,626,718/126,075,344.70
  6. Step 6: Final answer
    x = 74,059,321.05

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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.