Home / 196,008,080-293,989,681.60-52,412,109.44

Finding the Fourth Proportional to 196,008,080, 293,989,681.60 and 52,412,109.44

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Solution

The fourth proportional to 196,008,080, 293,989,681.60 and 52,412,109.44 is: 78,612,164.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,008,080 : 293,989,681.60 = 52,412,109.44 : x
  2. Step 2: Convert to fraction form
    196,008,080/293,989,681.60 = 52,412,109.44/x
  3. Step 3: Cross multiply
    196,008,080x = 293,989,681.60 × 52,412,109.44
  4. Step 4: Simplify right side
    196,008,080x = 15,408,619,366,249,954
  5. Step 5: Solve for x
    x = 15,408,619,366,249,954/196,008,080
  6. Step 6: Final answer
    x = 78,612,164.18

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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.