Home / 55,417,779.60-82,984,951.80-40,962,584.40

Finding the Fourth Proportional to 55,417,779.60, 82,984,951.80 and 40,962,584.40

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Solution

The fourth proportional to 55,417,779.60, 82,984,951.80 and 40,962,584.40 is: 61,339,124.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,417,779.60 : 82,984,951.80 = 40,962,584.40 : x
  2. Step 2: Convert to fraction form
    55,417,779.60/82,984,951.80 = 40,962,584.40/x
  3. Step 3: Cross multiply
    55,417,779.60x = 82,984,951.80 × 40,962,584.40
  4. Step 4: Simplify right side
    55,417,779.60x = 3,399,278,092,037,431.50
  5. Step 5: Solve for x
    x = 3,399,278,092,037,431.50/55,417,779.60
  6. Step 6: Final answer
    x = 61,339,124.67

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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.