Home / 127,207,655.14-190,849,790.64-45,315,844.74

Finding the Fourth Proportional to 127,207,655.14, 190,849,790.64 and 45,315,844.74

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Solution

The fourth proportional to 127,207,655.14, 190,849,790.64 and 45,315,844.74 is: 67,987,413.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,207,655.14 : 190,849,790.64 = 45,315,844.74 : x
  2. Step 2: Convert to fraction form
    127,207,655.14/190,849,790.64 = 45,315,844.74/x
  3. Step 3: Cross multiply
    127,207,655.14x = 190,849,790.64 × 45,315,844.74
  4. Step 4: Simplify right side
    127,207,655.14x = 8,648,519,481,303,745
  5. Step 5: Solve for x
    x = 8,648,519,481,303,745/127,207,655.14
  6. Step 6: Final answer
    x = 67,987,413.74

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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.