Home / 119,677,316.78-165,147,579.56-69,437,643.42

Finding the Fourth Proportional to 119,677,316.78, 165,147,579.56 and 69,437,643.42

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Solution

The fourth proportional to 119,677,316.78, 165,147,579.56 and 69,437,643.42 is: 95,819,818.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,677,316.78 : 165,147,579.56 = 69,437,643.42 : x
  2. Step 2: Convert to fraction form
    119,677,316.78/165,147,579.56 = 69,437,643.42/x
  3. Step 3: Cross multiply
    119,677,316.78x = 165,147,579.56 × 69,437,643.42
  4. Step 4: Simplify right side
    119,677,316.78x = 11,467,458,740,816,174
  5. Step 5: Solve for x
    x = 11,467,458,740,816,174/119,677,316.78
  6. Step 6: Final answer
    x = 95,819,818.24

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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.