Home / 355,132,138.80-532,686,201.57-125,095,211.94

Finding the Fourth Proportional to 355,132,138.80, 532,686,201.57 and 125,095,211.94

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Solution

The fourth proportional to 355,132,138.80, 532,686,201.57 and 125,095,211.94 is: 187,638,588.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,132,138.80 : 532,686,201.57 = 125,095,211.94 : x
  2. Step 2: Convert to fraction form
    355,132,138.80/532,686,201.57 = 125,095,211.94/x
  3. Step 3: Cross multiply
    355,132,138.80x = 532,686,201.57 × 125,095,211.94
  4. Step 4: Simplify right side
    355,132,138.80x = 66,636,493,282,912,712
  5. Step 5: Solve for x
    x = 66,636,493,282,912,712/355,132,138.80
  6. Step 6: Final answer
    x = 187,638,588.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.