Home / 201,451,808.40-302,177,712.60-99,194,686.80

Finding the Fourth Proportional to 201,451,808.40, 302,177,712.60 and 99,194,686.80

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Solution

The fourth proportional to 201,451,808.40, 302,177,712.60 and 99,194,686.80 is: 148,792,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,451,808.40 : 302,177,712.60 = 99,194,686.80 : x
  2. Step 2: Convert to fraction form
    201,451,808.40/302,177,712.60 = 99,194,686.80/x
  3. Step 3: Cross multiply
    201,451,808.40x = 302,177,712.60 × 99,194,686.80
  4. Step 4: Simplify right side
    201,451,808.40x = 29,974,423,559,297,416
  5. Step 5: Solve for x
    x = 29,974,423,559,297,416/201,451,808.40
  6. Step 6: Final answer
    x = 148,792,030.20

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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.