Home / 91,798,628.40-137,697,942.60-31,214,354.40

Finding the Fourth Proportional to 91,798,628.40, 137,697,942.60 and 31,214,354.40

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Solution

The fourth proportional to 91,798,628.40, 137,697,942.60 and 31,214,354.40 is: 46,821,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,798,628.40 : 137,697,942.60 = 31,214,354.40 : x
  2. Step 2: Convert to fraction form
    91,798,628.40/137,697,942.60 = 31,214,354.40/x
  3. Step 3: Cross multiply
    91,798,628.40x = 137,697,942.60 × 31,214,354.40
  4. Step 4: Simplify right side
    91,798,628.40x = 4,298,152,380,467,257
  5. Step 5: Solve for x
    x = 4,298,152,380,467,257/91,798,628.40
  6. Step 6: Final answer
    x = 46,821,531.60

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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.