Home / 30,064,609,371.78-45,136,327,034.44-20,160,371,039.47

Finding the Fourth Proportional to 30,064,609,371.78, 45,136,327,034.44 and 20,160,371,039.47

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Solution

The fourth proportional to 30,064,609,371.78, 45,136,327,034.44 and 20,160,371,039.47 is: 30,266,985,648.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,064,609,371.78 : 45,136,327,034.44 = 20,160,371,039.47 : x
  2. Step 2: Convert to fraction form
    30,064,609,371.78/45,136,327,034.44 = 20,160,371,039.47/x
  3. Step 3: Cross multiply
    30,064,609,371.78x = 45,136,327,034.44 × 20,160,371,039.47
  4. Step 4: Simplify right side
    30,064,609,371.78x = 909,965,100,373,171,109,888
  5. Step 5: Solve for x
    x = 909,965,100,373,171,109,888/30,064,609,371.78
  6. Step 6: Final answer
    x = 30,266,985,648.16

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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.