Home / 163,490,072.72-245,240,902.68-40,669,030.16

Finding the Fourth Proportional to 163,490,072.72, 245,240,902.68 and 40,669,030.16

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Solution

The fourth proportional to 163,490,072.72, 245,240,902.68 and 40,669,030.16 is: 61,004,986.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,490,072.72 : 245,240,902.68 = 40,669,030.16 : x
  2. Step 2: Convert to fraction form
    163,490,072.72/245,240,902.68 = 40,669,030.16/x
  3. Step 3: Cross multiply
    163,490,072.72x = 245,240,902.68 × 40,669,030.16
  4. Step 4: Simplify right side
    163,490,072.72x = 9,973,709,667,558,544
  5. Step 5: Solve for x
    x = 9,973,709,667,558,544/163,490,072.72
  6. Step 6: Final answer
    x = 61,004,986.43

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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.