Home / 219,771,779.60-329,704,908.60-66,433,336.40

Finding the Fourth Proportional to 219,771,779.60, 329,704,908.60 and 66,433,336.40

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Solution

The fourth proportional to 219,771,779.60, 329,704,908.60 and 66,433,336.40 is: 99,664,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,771,779.60 : 329,704,908.60 = 66,433,336.40 : x
  2. Step 2: Convert to fraction form
    219,771,779.60/329,704,908.60 = 66,433,336.40/x
  3. Step 3: Cross multiply
    219,771,779.60x = 329,704,908.60 × 66,433,336.40
  4. Step 4: Simplify right side
    219,771,779.60x = 21,903,397,105,755,056
  5. Step 5: Solve for x
    x = 21,903,397,105,755,056/219,771,779.60
  6. Step 6: Final answer
    x = 99,664,284.22

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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.