Home / 181,365,132.48-272,048,922.72-66,302,338.56

Finding the Fourth Proportional to 181,365,132.48, 272,048,922.72 and 66,302,338.56

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Solution

The fourth proportional to 181,365,132.48, 272,048,922.72 and 66,302,338.56 is: 99,453,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,365,132.48 : 272,048,922.72 = 66,302,338.56 : x
  2. Step 2: Convert to fraction form
    181,365,132.48/272,048,922.72 = 66,302,338.56/x
  3. Step 3: Cross multiply
    181,365,132.48x = 272,048,922.72 × 66,302,338.56
  4. Step 4: Simplify right side
    181,365,132.48x = 18,037,479,779,064,720
  5. Step 5: Solve for x
    x = 18,037,479,779,064,720/181,365,132.48
  6. Step 6: Final answer
    x = 99,453,955.30

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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.