Home / 121,617,458.80-182,171,826.60-56,976,434.80

Finding the Fourth Proportional to 121,617,458.80, 182,171,826.60 and 56,976,434.80

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Solution

The fourth proportional to 121,617,458.80, 182,171,826.60 and 56,976,434.80 is: 85,345,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,617,458.80 : 182,171,826.60 = 56,976,434.80 : x
  2. Step 2: Convert to fraction form
    121,617,458.80/182,171,826.60 = 56,976,434.80/x
  3. Step 3: Cross multiply
    121,617,458.80x = 182,171,826.60 × 56,976,434.80
  4. Step 4: Simplify right side
    121,617,458.80x = 10,379,501,200,671,804
  5. Step 5: Solve for x
    x = 10,379,501,200,671,804/121,617,458.80
  6. Step 6: Final answer
    x = 85,345,486.60

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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.