Home / 148,685,824.63-205,174,408.53-85,965,946.67

Finding the Fourth Proportional to 148,685,824.63, 205,174,408.53 and 85,965,946.67

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Solution

The fourth proportional to 148,685,824.63, 205,174,408.53 and 85,965,946.67 is: 118,626,051.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,685,824.63 : 205,174,408.53 = 85,965,946.67 : x
  2. Step 2: Convert to fraction form
    148,685,824.63/205,174,408.53 = 85,965,946.67/x
  3. Step 3: Cross multiply
    148,685,824.63x = 205,174,408.53 × 85,965,946.67
  4. Step 4: Simplify right side
    148,685,824.63x = 17,638,012,261,259,220
  5. Step 5: Solve for x
    x = 17,638,012,261,259,220/148,685,824.63
  6. Step 6: Final answer
    x = 118,626,051.31

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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.