Home / 77,875,756.16-116,804,710.08-20,373,576.32

Finding the Fourth Proportional to 77,875,756.16, 116,804,710.08 and 20,373,576.32

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Solution

The fourth proportional to 77,875,756.16, 116,804,710.08 and 20,373,576.32 is: 30,558,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,875,756.16 : 116,804,710.08 = 20,373,576.32 : x
  2. Step 2: Convert to fraction form
    77,875,756.16/116,804,710.08 = 20,373,576.32/x
  3. Step 3: Cross multiply
    77,875,756.16x = 116,804,710.08 × 20,373,576.32
  4. Step 4: Simplify right side
    77,875,756.16x = 2,379,729,675,350,353.50
  5. Step 5: Solve for x
    x = 2,379,729,675,350,353.50/77,875,756.16
  6. Step 6: Final answer
    x = 30,558,029.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.