Home / 258,964,120.77-357,366,316.02-141,486,928.53

Finding the Fourth Proportional to 258,964,120.77, 357,366,316.02 and 141,486,928.53

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Solution

The fourth proportional to 258,964,120.77, 357,366,316.02 and 141,486,928.53 is: 195,249,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,964,120.77 : 357,366,316.02 = 141,486,928.53 : x
  2. Step 2: Convert to fraction form
    258,964,120.77/357,366,316.02 = 141,486,928.53/x
  3. Step 3: Cross multiply
    258,964,120.77x = 357,366,316.02 × 141,486,928.53
  4. Step 4: Simplify right side
    258,964,120.77x = 50,562,662,413,751,128
  5. Step 5: Solve for x
    x = 50,562,662,413,751,128/258,964,120.77
  6. Step 6: Final answer
    x = 195,249,682.71

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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.