Home / 147,609,668.52-221,328,841.52-69,885,920.03

Finding the Fourth Proportional to 147,609,668.52, 221,328,841.52 and 69,885,920.03

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Solution

The fourth proportional to 147,609,668.52, 221,328,841.52 and 69,885,920.03 is: 104,788,323.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,609,668.52 : 221,328,841.52 = 69,885,920.03 : x
  2. Step 2: Convert to fraction form
    147,609,668.52/221,328,841.52 = 69,885,920.03/x
  3. Step 3: Cross multiply
    147,609,668.52x = 221,328,841.52 × 69,885,920.03
  4. Step 4: Simplify right side
    147,609,668.52x = 15,467,769,717,867,336
  5. Step 5: Solve for x
    x = 15,467,769,717,867,336/147,609,668.52
  6. Step 6: Final answer
    x = 104,788,323.64

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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.