Home / 151,913,113.47-209,638,937.84-82,297,996.38

Finding the Fourth Proportional to 151,913,113.47, 209,638,937.84 and 82,297,996.38

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Solution

The fourth proportional to 151,913,113.47, 209,638,937.84 and 82,297,996.38 is: 113,570,607.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,913,113.47 : 209,638,937.84 = 82,297,996.38 : x
  2. Step 2: Convert to fraction form
    151,913,113.47/209,638,937.84 = 82,297,996.38/x
  3. Step 3: Cross multiply
    151,913,113.47x = 209,638,937.84 × 82,297,996.38
  4. Step 4: Simplify right side
    151,913,113.47x = 17,252,864,547,051,874
  5. Step 5: Solve for x
    x = 17,252,864,547,051,874/151,913,113.47
  6. Step 6: Final answer
    x = 113,570,607.26

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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.