Home / 149,095,735.96-205,749,658.98-87,226,555.72

Finding the Fourth Proportional to 149,095,735.96, 205,749,658.98 and 87,226,555.72

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Solution

The fourth proportional to 149,095,735.96, 205,749,658.98 and 87,226,555.72 is: 120,371,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,095,735.96 : 205,749,658.98 = 87,226,555.72 : x
  2. Step 2: Convert to fraction form
    149,095,735.96/205,749,658.98 = 87,226,555.72/x
  3. Step 3: Cross multiply
    149,095,735.96x = 205,749,658.98 × 87,226,555.72
  4. Step 4: Simplify right side
    149,095,735.96x = 17,946,834,093,389,968
  5. Step 5: Solve for x
    x = 17,946,834,093,389,968/149,095,735.96
  6. Step 6: Final answer
    x = 120,371,209.66

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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.