Home / 314,986,136.37-472,501,907.51-120,897,551.85

Finding the Fourth Proportional to 314,986,136.37, 472,501,907.51 and 120,897,551.85

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Solution

The fourth proportional to 314,986,136.37, 472,501,907.51 and 120,897,551.85 is: 181,355,041.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,986,136.37 : 472,501,907.51 = 120,897,551.85 : x
  2. Step 2: Convert to fraction form
    314,986,136.37/472,501,907.51 = 120,897,551.85/x
  3. Step 3: Cross multiply
    314,986,136.37x = 472,501,907.51 × 120,897,551.85
  4. Step 4: Simplify right side
    314,986,136.37x = 57,124,323,861,809,640
  5. Step 5: Solve for x
    x = 57,124,323,861,809,640/314,986,136.37
  6. Step 6: Final answer
    x = 181,355,041.59

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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.