Home / 208,384,012.40-312,576,018.60-106,462,425.20

Finding the Fourth Proportional to 208,384,012.40, 312,576,018.60 and 106,462,425.20

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Solution

The fourth proportional to 208,384,012.40, 312,576,018.60 and 106,462,425.20 is: 159,693,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,384,012.40 : 312,576,018.60 = 106,462,425.20 : x
  2. Step 2: Convert to fraction form
    208,384,012.40/312,576,018.60 = 106,462,425.20/x
  3. Step 3: Cross multiply
    208,384,012.40x = 312,576,018.60 × 106,462,425.20
  4. Step 4: Simplify right side
    208,384,012.40x = 33,277,600,999,516,312
  5. Step 5: Solve for x
    x = 33,277,600,999,516,312/208,384,012.40
  6. Step 6: Final answer
    x = 159,693,637.80

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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.