Home / 90,614,438.73-125,038,604.75-50,915,664.81

Finding the Fourth Proportional to 90,614,438.73, 125,038,604.75 and 50,915,664.81

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Solution

The fourth proportional to 90,614,438.73, 125,038,604.75 and 50,915,664.81 is: 70,258,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,614,438.73 : 125,038,604.75 = 50,915,664.81 : x
  2. Step 2: Convert to fraction form
    90,614,438.73/125,038,604.75 = 50,915,664.81/x
  3. Step 3: Cross multiply
    90,614,438.73x = 125,038,604.75 × 50,915,664.81
  4. Step 4: Simplify right side
    90,614,438.73x = 6,366,423,687,506,496
  5. Step 5: Solve for x
    x = 6,366,423,687,506,496/90,614,438.73
  6. Step 6: Final answer
    x = 70,258,380.20

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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.