Home / 51,082,933.60-76,624,400.40-42,013,007.20

Finding the Fourth Proportional to 51,082,933.60, 76,624,400.40 and 42,013,007.20

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Solution

The fourth proportional to 51,082,933.60, 76,624,400.40 and 42,013,007.20 is: 63,019,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,082,933.60 : 76,624,400.40 = 42,013,007.20 : x
  2. Step 2: Convert to fraction form
    51,082,933.60/76,624,400.40 = 42,013,007.20/x
  3. Step 3: Cross multiply
    51,082,933.60x = 76,624,400.40 × 42,013,007.20
  4. Step 4: Simplify right side
    51,082,933.60x = 3,219,221,485,700,883.50
  5. Step 5: Solve for x
    x = 3,219,221,485,700,883.50/51,082,933.60
  6. Step 6: Final answer
    x = 63,019,510.80

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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.