Home / 291,308,034.30-436,962,051.45-118,690,748.70

Finding the Fourth Proportional to 291,308,034.30, 436,962,051.45 and 118,690,748.70

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Solution

The fourth proportional to 291,308,034.30, 436,962,051.45 and 118,690,748.70 is: 178,036,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,308,034.30 : 436,962,051.45 = 118,690,748.70 : x
  2. Step 2: Convert to fraction form
    291,308,034.30/436,962,051.45 = 118,690,748.70/x
  3. Step 3: Cross multiply
    291,308,034.30x = 436,962,051.45 × 118,690,748.70
  4. Step 4: Simplify right side
    291,308,034.30x = 51,863,353,040,088,424
  5. Step 5: Solve for x
    x = 51,863,353,040,088,424/291,308,034.30
  6. Step 6: Final answer
    x = 178,036,123.05

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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.