Home / 51,280,310.35-70,766,795.77-28,075,431.16

Finding the Fourth Proportional to 51,280,310.35, 70,766,795.77 and 28,075,431.16

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Solution

The fourth proportional to 51,280,310.35, 70,766,795.77 and 28,075,431.16 is: 38,744,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,280,310.35 : 70,766,795.77 = 28,075,431.16 : x
  2. Step 2: Convert to fraction form
    51,280,310.35/70,766,795.77 = 28,075,431.16/x
  3. Step 3: Cross multiply
    51,280,310.35x = 70,766,795.77 × 28,075,431.16
  4. Step 4: Simplify right side
    51,280,310.35x = 1,986,808,303,054,414
  5. Step 5: Solve for x
    x = 1,986,808,303,054,414/51,280,310.35
  6. Step 6: Final answer
    x = 38,744,077.20

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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.