Home / 66,427,735.80-99,641,603.70-18,558,679.80

Finding the Fourth Proportional to 66,427,735.80, 99,641,603.70 and 18,558,679.80

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Solution

The fourth proportional to 66,427,735.80, 99,641,603.70 and 18,558,679.80 is: 27,838,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,427,735.80 : 99,641,603.70 = 18,558,679.80 : x
  2. Step 2: Convert to fraction form
    66,427,735.80/99,641,603.70 = 18,558,679.80/x
  3. Step 3: Cross multiply
    66,427,735.80x = 99,641,603.70 × 18,558,679.80
  4. Step 4: Simplify right side
    66,427,735.80x = 1,849,216,617,826,795.50
  5. Step 5: Solve for x
    x = 1,849,216,617,826,795.50/66,427,735.80
  6. Step 6: Final answer
    x = 27,838,019.70

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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.