Home / 140,228,330.81-193,525,110.33-77,503,080.81

Finding the Fourth Proportional to 140,228,330.81, 193,525,110.33 and 77,503,080.81

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Solution

The fourth proportional to 140,228,330.81, 193,525,110.33 and 77,503,080.81 is: 106,959,786.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,228,330.81 : 193,525,110.33 = 77,503,080.81 : x
  2. Step 2: Convert to fraction form
    140,228,330.81/193,525,110.33 = 77,503,080.81/x
  3. Step 3: Cross multiply
    140,228,330.81x = 193,525,110.33 × 77,503,080.81
  4. Step 4: Simplify right side
    140,228,330.81x = 14,998,792,264,670,158
  5. Step 5: Solve for x
    x = 14,998,792,264,670,158/140,228,330.81
  6. Step 6: Final answer
    x = 106,959,786.08

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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.