Home / 78,406,136.23-108,200,557.06-43,598,079.33

Finding the Fourth Proportional to 78,406,136.23, 108,200,557.06 and 43,598,079.33

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Solution

The fourth proportional to 78,406,136.23, 108,200,557.06 and 43,598,079.33 is: 60,165,399.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,406,136.23 : 108,200,557.06 = 43,598,079.33 : x
  2. Step 2: Convert to fraction form
    78,406,136.23/108,200,557.06 = 43,598,079.33/x
  3. Step 3: Cross multiply
    78,406,136.23x = 108,200,557.06 × 43,598,079.33
  4. Step 4: Simplify right side
    78,406,136.23x = 4,717,336,470,143,076
  5. Step 5: Solve for x
    x = 4,717,336,470,143,076/78,406,136.23
  6. Step 6: Final answer
    x = 60,165,399.00

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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.