Home / 328,771,437.80-493,095,501.52-164,965,212.32

Finding the Fourth Proportional to 328,771,437.80, 493,095,501.52 and 164,965,212.32

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Solution

The fourth proportional to 328,771,437.80, 493,095,501.52 and 164,965,212.32 is: 247,416,882.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,771,437.80 : 493,095,501.52 = 164,965,212.32 : x
  2. Step 2: Convert to fraction form
    328,771,437.80/493,095,501.52 = 164,965,212.32/x
  3. Step 3: Cross multiply
    328,771,437.80x = 493,095,501.52 × 164,965,212.32
  4. Step 4: Simplify right side
    328,771,437.80x = 81,343,604,102,283,680
  5. Step 5: Solve for x
    x = 81,343,604,102,283,680/328,771,437.80
  6. Step 6: Final answer
    x = 247,416,882.22

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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.