Home / 81,968,113.84-122,952,699.25-32,788,075.74

Finding the Fourth Proportional to 81,968,113.84, 122,952,699.25 and 32,788,075.74

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Solution

The fourth proportional to 81,968,113.84, 122,952,699.25 and 32,788,075.74 is: 49,182,325.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,968,113.84 : 122,952,699.25 = 32,788,075.74 : x
  2. Step 2: Convert to fraction form
    81,968,113.84/122,952,699.25 = 32,788,075.74/x
  3. Step 3: Cross multiply
    81,968,113.84x = 122,952,699.25 × 32,788,075.74
  4. Step 4: Simplify right side
    81,968,113.84x = 4,031,382,415,364,471
  5. Step 5: Solve for x
    x = 4,031,382,415,364,471/81,968,113.84
  6. Step 6: Final answer
    x = 49,182,325.01

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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.