Home / 144,615,751.23-199,598,703.12-85,911,028.77

Finding the Fourth Proportional to 144,615,751.23, 199,598,703.12 and 85,911,028.77

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Solution

The fourth proportional to 144,615,751.23, 199,598,703.12 and 85,911,028.77 is: 118,574,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,615,751.23 : 199,598,703.12 = 85,911,028.77 : x
  2. Step 2: Convert to fraction form
    144,615,751.23/199,598,703.12 = 85,911,028.77/x
  3. Step 3: Cross multiply
    144,615,751.23x = 199,598,703.12 × 85,911,028.77
  4. Step 4: Simplify right side
    144,615,751.23x = 17,147,729,926,197,008
  5. Step 5: Solve for x
    x = 17,147,729,926,197,008/144,615,751.23
  6. Step 6: Final answer
    x = 118,574,427.61

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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.