Home / 148,685,824.73-205,174,408.67-85,965,946.77

Finding the Fourth Proportional to 148,685,824.73, 205,174,408.67 and 85,965,946.77

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Solution

The fourth proportional to 148,685,824.73, 205,174,408.67 and 85,965,946.77 is: 118,626,051.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,685,824.73 : 205,174,408.67 = 85,965,946.77 : x
  2. Step 2: Convert to fraction form
    148,685,824.73/205,174,408.67 = 85,965,946.77/x
  3. Step 3: Cross multiply
    148,685,824.73x = 205,174,408.67 × 85,965,946.77
  4. Step 4: Simplify right side
    148,685,824.73x = 17,638,012,294,506,362
  5. Step 5: Solve for x
    x = 17,638,012,294,506,362/148,685,824.73
  6. Step 6: Final answer
    x = 118,626,051.45

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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.