Home / 421,260,871.08-631,919,032.92-110,376,099.48

Finding the Fourth Proportional to 421,260,871.08, 631,919,032.92 and 110,376,099.48

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Solution

The fourth proportional to 421,260,871.08, 631,919,032.92 and 110,376,099.48 is: 165,571,413.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,260,871.08 : 631,919,032.92 = 110,376,099.48 : x
  2. Step 2: Convert to fraction form
    421,260,871.08/631,919,032.92 = 110,376,099.48/x
  3. Step 3: Cross multiply
    421,260,871.08x = 631,919,032.92 × 110,376,099.48
  4. Step 4: Simplify right side
    421,260,871.08x = 69,748,758,040,883,312
  5. Step 5: Solve for x
    x = 69,748,758,040,883,312/421,260,871.08
  6. Step 6: Final answer
    x = 165,571,413.89

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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.