Home / 326,606,508.72-489,832,369.68-93,430,031.52

Finding the Fourth Proportional to 326,606,508.72, 489,832,369.68 and 93,430,031.52

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Solution

The fourth proportional to 326,606,508.72, 489,832,369.68 and 93,430,031.52 is: 140,122,907.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,606,508.72 : 489,832,369.68 = 93,430,031.52 : x
  2. Step 2: Convert to fraction form
    326,606,508.72/489,832,369.68 = 93,430,031.52/x
  3. Step 3: Cross multiply
    326,606,508.72x = 489,832,369.68 × 93,430,031.52
  4. Step 4: Simplify right side
    326,606,508.72x = 45,765,053,738,718,688
  5. Step 5: Solve for x
    x = 45,765,053,738,718,688/326,606,508.72
  6. Step 6: Final answer
    x = 140,122,907.89

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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.