Home / 111,795,041.09-167,225,476.30-78,555,926.30

Finding the Fourth Proportional to 111,795,041.09, 167,225,476.30 and 78,555,926.30

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Solution

The fourth proportional to 111,795,041.09, 167,225,476.30 and 78,555,926.30 is: 117,505,678.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,795,041.09 : 167,225,476.30 = 78,555,926.30 : x
  2. Step 2: Convert to fraction form
    111,795,041.09/167,225,476.30 = 78,555,926.30/x
  3. Step 3: Cross multiply
    111,795,041.09x = 167,225,476.30 × 78,555,926.30
  4. Step 4: Simplify right side
    111,795,041.09x = 13,136,552,192,055,592
  5. Step 5: Solve for x
    x = 13,136,552,192,055,592/111,795,041.09
  6. Step 6: Final answer
    x = 117,505,678.82

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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.