Home / 200,408,740.38-276,559,368.39-117,907,829.82

Finding the Fourth Proportional to 200,408,740.38, 276,559,368.39 and 117,907,829.82

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Solution

The fourth proportional to 200,408,740.38, 276,559,368.39 and 117,907,829.82 is: 162,710,043.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,408,740.38 : 276,559,368.39 = 117,907,829.82 : x
  2. Step 2: Convert to fraction form
    200,408,740.38/276,559,368.39 = 117,907,829.82/x
  3. Step 3: Cross multiply
    200,408,740.38x = 276,559,368.39 × 117,907,829.82
  4. Step 4: Simplify right side
    200,408,740.38x = 32,608,514,943,254,804
  5. Step 5: Solve for x
    x = 32,608,514,943,254,804/200,408,740.38
  6. Step 6: Final answer
    x = 162,710,043.89

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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.