Home / 289,296,052.40-433,944,078.60-97,819,828.40

Finding the Fourth Proportional to 289,296,052.40, 433,944,078.60 and 97,819,828.40

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Solution

The fourth proportional to 289,296,052.40, 433,944,078.60 and 97,819,828.40 is: 146,729,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,296,052.40 : 433,944,078.60 = 97,819,828.40 : x
  2. Step 2: Convert to fraction form
    289,296,052.40/433,944,078.60 = 97,819,828.40/x
  3. Step 3: Cross multiply
    289,296,052.40x = 433,944,078.60 × 97,819,828.40
  4. Step 4: Simplify right side
    289,296,052.40x = 42,448,335,303,848,120
  5. Step 5: Solve for x
    x = 42,448,335,303,848,120/289,296,052.40
  6. Step 6: Final answer
    x = 146,729,742.60

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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.