Home / 120,033,396.51-165,646,255.26-65,029,253.01

Finding the Fourth Proportional to 120,033,396.51, 165,646,255.26 and 65,029,253.01

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Solution

The fourth proportional to 120,033,396.51, 165,646,255.26 and 65,029,253.01 is: 89,740,460.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,033,396.51 : 165,646,255.26 = 65,029,253.01 : x
  2. Step 2: Convert to fraction form
    120,033,396.51/165,646,255.26 = 65,029,253.01/x
  3. Step 3: Cross multiply
    120,033,396.51x = 165,646,255.26 × 65,029,253.01
  4. Step 4: Simplify right side
    120,033,396.51x = 10,771,852,243,461,582
  5. Step 5: Solve for x
    x = 10,771,852,243,461,582/120,033,396.51
  6. Step 6: Final answer
    x = 89,740,460.21

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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.