Home / 180,877,747.36-271,437,565.38-77,271,165.28

Finding the Fourth Proportional to 180,877,747.36, 271,437,565.38 and 77,271,165.28

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Solution

The fourth proportional to 180,877,747.36, 271,437,565.38 and 77,271,165.28 is: 115,958,415.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,877,747.36 : 271,437,565.38 = 77,271,165.28 : x
  2. Step 2: Convert to fraction form
    180,877,747.36/271,437,565.38 = 77,271,165.28/x
  3. Step 3: Cross multiply
    180,877,747.36x = 271,437,565.38 × 77,271,165.28
  4. Step 4: Simplify right side
    180,877,747.36x = 20,974,296,977,678,784
  5. Step 5: Solve for x
    x = 20,974,296,977,678,784/180,877,747.36
  6. Step 6: Final answer
    x = 115,958,415.47

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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.