Home / 144,615,741.23-199,598,689.28-85,911,018.77

Finding the Fourth Proportional to 144,615,741.23, 199,598,689.28 and 85,911,018.77

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Solution

The fourth proportional to 144,615,741.23, 199,598,689.28 and 85,911,018.77 is: 118,574,413.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,615,741.23 : 199,598,689.28 = 85,911,018.77 : x
  2. Step 2: Convert to fraction form
    144,615,741.23/199,598,689.28 = 85,911,018.77/x
  3. Step 3: Cross multiply
    144,615,741.23x = 199,598,689.28 × 85,911,018.77
  4. Step 4: Simplify right side
    144,615,741.23x = 17,147,726,741,201,478
  5. Step 5: Solve for x
    x = 17,147,726,741,201,478/144,615,741.23
  6. Step 6: Final answer
    x = 118,574,413.79

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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.