Home / 85,294,045.12-117,705,795.70-46,135,804.72

Finding the Fourth Proportional to 85,294,045.12, 117,705,795.70 and 46,135,804.72

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Solution

The fourth proportional to 85,294,045.12, 117,705,795.70 and 46,135,804.72 is: 63,667,417.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,294,045.12 : 117,705,795.70 = 46,135,804.72 : x
  2. Step 2: Convert to fraction form
    85,294,045.12/117,705,795.70 = 46,135,804.72/x
  3. Step 3: Cross multiply
    85,294,045.12x = 117,705,795.70 × 46,135,804.72
  4. Step 4: Simplify right side
    85,294,045.12x = 5,430,451,604,827,416
  5. Step 5: Solve for x
    x = 5,430,451,604,827,416/85,294,045.12
  6. Step 6: Final answer
    x = 63,667,417.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.