Home / 355,131,890.55-532,685,829.20-125,094,963.69

Finding the Fourth Proportional to 355,131,890.55, 532,685,829.20 and 125,094,963.69

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Solution

The fourth proportional to 355,131,890.55, 532,685,829.20 and 125,094,963.69 is: 187,638,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,131,890.55 : 532,685,829.20 = 125,094,963.69 : x
  2. Step 2: Convert to fraction form
    355,131,890.55/532,685,829.20 = 125,094,963.69/x
  3. Step 3: Cross multiply
    355,131,890.55x = 532,685,829.20 × 125,094,963.69
  4. Step 4: Simplify right side
    355,131,890.55x = 66,636,314,461,326,064
  5. Step 5: Solve for x
    x = 66,636,314,461,326,064/355,131,890.55
  6. Step 6: Final answer
    x = 187,638,216.21

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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.