Home / 120,033,408.13-165,646,271.31-65,029,264.63

Finding the Fourth Proportional to 120,033,408.13, 165,646,271.31 and 65,029,264.63

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Solution

The fourth proportional to 120,033,408.13, 165,646,271.31 and 65,029,264.63 is: 89,740,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,033,408.13 : 165,646,271.31 = 65,029,264.63 : x
  2. Step 2: Convert to fraction form
    120,033,408.13/165,646,271.31 = 65,029,264.63/x
  3. Step 3: Cross multiply
    120,033,408.13x = 165,646,271.31 × 65,029,264.63
  4. Step 4: Simplify right side
    120,033,408.13x = 10,771,855,211,990,768
  5. Step 5: Solve for x
    x = 10,771,855,211,990,768/120,033,408.13
  6. Step 6: Final answer
    x = 89,740,476.25

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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.