Home / 91,214,686.22-125,874,711.29-49,398,412.64

Finding the Fourth Proportional to 91,214,686.22, 125,874,711.29 and 49,398,412.64

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Solution

The fourth proportional to 91,214,686.22, 125,874,711.29 and 49,398,412.64 is: 68,168,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,214,686.22 : 125,874,711.29 = 49,398,412.64 : x
  2. Step 2: Convert to fraction form
    91,214,686.22/125,874,711.29 = 49,398,412.64/x
  3. Step 3: Cross multiply
    91,214,686.22x = 125,874,711.29 × 49,398,412.64
  4. Step 4: Simplify right side
    91,214,686.22x = 6,218,010,928,738,409
  5. Step 5: Solve for x
    x = 6,218,010,928,738,409/91,214,686.22
  6. Step 6: Final answer
    x = 68,168,966.94

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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.