Home / 138,749,074,466.69-208,083,236,087.41-53,739,908,745.14

Finding the Fourth Proportional to 138,749,074,466.69, 208,083,236,087.41 and 53,739,908,745.14

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Solution

The fourth proportional to 138,749,074,466.69, 208,083,236,087.41 and 53,739,908,745.14 is: 80,594,224,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,749,074,466.69 : 208,083,236,087.41 = 53,739,908,745.14 : x
  2. Step 2: Convert to fraction form
    138,749,074,466.69/208,083,236,087.41 = 53,739,908,745.14/x
  3. Step 3: Cross multiply
    138,749,074,466.69x = 208,083,236,087.41 × 53,739,908,745.14
  4. Step 4: Simplify right side
    138,749,074,466.69x = 11,182,374,118,730,835,689,472
  5. Step 5: Solve for x
    x = 11,182,374,118,730,835,689,472/138,749,074,466.69
  6. Step 6: Final answer
    x = 80,594,224,946.82

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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.