Home / 118,698,114.30-178,047,171.45-79,956,065.40

Finding the Fourth Proportional to 118,698,114.30, 178,047,171.45 and 79,956,065.40

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Solution

The fourth proportional to 118,698,114.30, 178,047,171.45 and 79,956,065.40 is: 119,934,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,698,114.30 : 178,047,171.45 = 79,956,065.40 : x
  2. Step 2: Convert to fraction form
    118,698,114.30/178,047,171.45 = 79,956,065.40/x
  3. Step 3: Cross multiply
    118,698,114.30x = 178,047,171.45 × 79,956,065.40
  4. Step 4: Simplify right side
    118,698,114.30x = 14,235,951,284,741,212
  5. Step 5: Solve for x
    x = 14,235,951,284,741,212/118,698,114.30
  6. Step 6: Final answer
    x = 119,934,098.10

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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.