Home / 119,178,045.20-178,767,067.80-64,758,486.80

Finding the Fourth Proportional to 119,178,045.20, 178,767,067.80 and 64,758,486.80

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Solution

The fourth proportional to 119,178,045.20, 178,767,067.80 and 64,758,486.80 is: 97,137,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,178,045.20 : 178,767,067.80 = 64,758,486.80 : x
  2. Step 2: Convert to fraction form
    119,178,045.20/178,767,067.80 = 64,758,486.80/x
  3. Step 3: Cross multiply
    119,178,045.20x = 178,767,067.80 × 64,758,486.80
  4. Step 4: Simplify right side
    119,178,045.20x = 11,576,684,800,401,006
  5. Step 5: Solve for x
    x = 11,576,684,800,401,006/119,178,045.20
  6. Step 6: Final answer
    x = 97,137,730.20

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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.