Home / 138,749,074,467.19-208,083,236,088.16-53,739,908,745.64

Finding the Fourth Proportional to 138,749,074,467.19, 208,083,236,088.16 and 53,739,908,745.64

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Solution

The fourth proportional to 138,749,074,467.19, 208,083,236,088.16 and 53,739,908,745.64 is: 80,594,224,947.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,749,074,467.19 : 208,083,236,088.16 = 53,739,908,745.64 : x
  2. Step 2: Convert to fraction form
    138,749,074,467.19/208,083,236,088.16 = 53,739,908,745.64/x
  3. Step 3: Cross multiply
    138,749,074,467.19x = 208,083,236,088.16 × 53,739,908,745.64
  4. Step 4: Simplify right side
    138,749,074,467.19x = 11,182,374,118,875,182,661,632
  5. Step 5: Solve for x
    x = 11,182,374,118,875,182,661,632/138,749,074,467.19
  6. Step 6: Final answer
    x = 80,594,224,947.57

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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.