Home / 79,749,819.81-110,075,226.62-51,941,823.21

Finding the Fourth Proportional to 79,749,819.81, 110,075,226.62 and 51,941,823.21

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Solution

The fourth proportional to 79,749,819.81, 110,075,226.62 and 51,941,823.21 is: 71,693,051.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,749,819.81 : 110,075,226.62 = 51,941,823.21 : x
  2. Step 2: Convert to fraction form
    79,749,819.81/110,075,226.62 = 51,941,823.21/x
  3. Step 3: Cross multiply
    79,749,819.81x = 110,075,226.62 × 51,941,823.21
  4. Step 4: Simplify right side
    79,749,819.81x = 5,717,507,960,637,017
  5. Step 5: Solve for x
    x = 5,717,507,960,637,017/79,749,819.81
  6. Step 6: Final answer
    x = 71,693,051.77

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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.