Home / 59,555,875.80-89,333,813.70-21,218,640.60

Finding the Fourth Proportional to 59,555,875.80, 89,333,813.70 and 21,218,640.60

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Solution

The fourth proportional to 59,555,875.80, 89,333,813.70 and 21,218,640.60 is: 31,827,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,555,875.80 : 89,333,813.70 = 21,218,640.60 : x
  2. Step 2: Convert to fraction form
    59,555,875.80/89,333,813.70 = 21,218,640.60/x
  3. Step 3: Cross multiply
    59,555,875.80x = 89,333,813.70 × 21,218,640.60
  4. Step 4: Simplify right side
    59,555,875.80x = 1,895,542,086,327,656.50
  5. Step 5: Solve for x
    x = 1,895,542,086,327,656.50/59,555,875.80
  6. Step 6: Final answer
    x = 31,827,960.90

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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.