Home / 314,986,143.69-472,501,918.49-120,897,559.17

Finding the Fourth Proportional to 314,986,143.69, 472,501,918.49 and 120,897,559.17

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Solution

The fourth proportional to 314,986,143.69, 472,501,918.49 and 120,897,559.17 is: 181,355,052.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,986,143.69 : 472,501,918.49 = 120,897,559.17 : x
  2. Step 2: Convert to fraction form
    314,986,143.69/472,501,918.49 = 120,897,559.17/x
  3. Step 3: Cross multiply
    314,986,143.69x = 472,501,918.49 × 120,897,559.17
  4. Step 4: Simplify right side
    314,986,143.69x = 57,124,328,647,978,808
  5. Step 5: Solve for x
    x = 57,124,328,647,978,808/314,986,143.69
  6. Step 6: Final answer
    x = 181,355,052.57

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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.