Home / 101,302,802.57-139,782,407.90-57,233,721.96

Finding the Fourth Proportional to 101,302,802.57, 139,782,407.90 and 57,233,721.96

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Solution

The fourth proportional to 101,302,802.57, 139,782,407.90 and 57,233,721.96 is: 78,973,801.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,302,802.57 : 139,782,407.90 = 57,233,721.96 : x
  2. Step 2: Convert to fraction form
    101,302,802.57/139,782,407.90 = 57,233,721.96/x
  3. Step 3: Cross multiply
    101,302,802.57x = 139,782,407.90 × 57,233,721.96
  4. Step 4: Simplify right side
    101,302,802.57x = 8,000,267,468,361,740
  5. Step 5: Solve for x
    x = 8,000,267,468,361,740/101,302,802.57
  6. Step 6: Final answer
    x = 78,973,801.96

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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.