Home / 201,451,831.90-302,177,747.85-99,194,710.30

Finding the Fourth Proportional to 201,451,831.90, 302,177,747.85 and 99,194,710.30

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Solution

The fourth proportional to 201,451,831.90, 302,177,747.85 and 99,194,710.30 is: 148,792,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,451,831.90 : 302,177,747.85 = 99,194,710.30 : x
  2. Step 2: Convert to fraction form
    201,451,831.90/302,177,747.85 = 99,194,710.30/x
  3. Step 3: Cross multiply
    201,451,831.90x = 302,177,747.85 × 99,194,710.30
  4. Step 4: Simplify right side
    201,451,831.90x = 29,974,434,157,087,200
  5. Step 5: Solve for x
    x = 29,974,434,157,087,200/201,451,831.90
  6. Step 6: Final answer
    x = 148,792,065.45

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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.