Home / 285,368,802.41-393,810,962.87-154,988,610.41

Finding the Fourth Proportional to 285,368,802.41, 393,810,962.87 and 154,988,610.41

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Solution

The fourth proportional to 285,368,802.41, 393,810,962.87 and 154,988,610.41 is: 213,885,377.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,368,802.41 : 393,810,962.87 = 154,988,610.41 : x
  2. Step 2: Convert to fraction form
    285,368,802.41/393,810,962.87 = 154,988,610.41/x
  3. Step 3: Cross multiply
    285,368,802.41x = 393,810,962.87 × 154,988,610.41
  4. Step 4: Simplify right side
    285,368,802.41x = 61,036,213,899,057,936
  5. Step 5: Solve for x
    x = 61,036,213,899,057,936/285,368,802.41
  6. Step 6: Final answer
    x = 213,885,377.04

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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.