Home / 51,694,998.19-71,349,683.55-30,799,271.77

Finding the Fourth Proportional to 51,694,998.19, 71,349,683.55 and 30,799,271.77

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Solution

The fourth proportional to 51,694,998.19, 71,349,683.55 and 30,799,271.77 is: 42,509,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,694,998.19 : 71,349,683.55 = 30,799,271.77 : x
  2. Step 2: Convert to fraction form
    51,694,998.19/71,349,683.55 = 30,799,271.77/x
  3. Step 3: Cross multiply
    51,694,998.19x = 71,349,683.55 × 30,799,271.77
  4. Step 4: Simplify right side
    51,694,998.19x = 2,197,518,294,359,948.25
  5. Step 5: Solve for x
    x = 2,197,518,294,359,948.25/51,694,998.19
  6. Step 6: Final answer
    x = 42,509,302.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.