Home / 70,215,345.03-105,285,147.71-31,855,929.51

Finding the Fourth Proportional to 70,215,345.03, 105,285,147.71 and 31,855,929.51

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Solution

The fourth proportional to 70,215,345.03, 105,285,147.71 and 31,855,929.51 is: 47,766,713.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,215,345.03 : 105,285,147.71 = 31,855,929.51 : x
  2. Step 2: Convert to fraction form
    70,215,345.03/105,285,147.71 = 31,855,929.51/x
  3. Step 3: Cross multiply
    70,215,345.03x = 105,285,147.71 × 31,855,929.51
  4. Step 4: Simplify right side
    70,215,345.03x = 3,353,956,243,740,418.50
  5. Step 5: Solve for x
    x = 3,353,956,243,740,418.50/70,215,345.03
  6. Step 6: Final answer
    x = 47,766,713.14

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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.