Home / 209,952,176.95-314,928,265.43-190,804,554.55

Finding the Fourth Proportional to 209,952,176.95, 314,928,265.43 and 190,804,554.55

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Solution

The fourth proportional to 209,952,176.95, 314,928,265.43 and 190,804,554.55 is: 286,206,831.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,176.95 : 314,928,265.43 = 190,804,554.55 : x
  2. Step 2: Convert to fraction form
    209,952,176.95/314,928,265.43 = 190,804,554.55/x
  3. Step 3: Cross multiply
    209,952,176.95x = 314,928,265.43 × 190,804,554.55
  4. Step 4: Simplify right side
    209,952,176.95x = 60,089,747,400,575,320
  5. Step 5: Solve for x
    x = 60,089,747,400,575,320/209,952,176.95
  6. Step 6: Final answer
    x = 286,206,831.83

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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.