Home / 76,919,665.32-106,148,855.16-43,879,855.68

Finding the Fourth Proportional to 76,919,665.32, 106,148,855.16 and 43,879,855.68

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Solution

The fourth proportional to 76,919,665.32, 106,148,855.16 and 43,879,855.68 is: 60,554,039.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,919,665.32 : 106,148,855.16 = 43,879,855.68 : x
  2. Step 2: Convert to fraction form
    76,919,665.32/106,148,855.16 = 43,879,855.68/x
  3. Step 3: Cross multiply
    76,919,665.32x = 106,148,855.16 × 43,879,855.68
  4. Step 4: Simplify right side
    76,919,665.32x = 4,657,796,445,018,023
  5. Step 5: Solve for x
    x = 4,657,796,445,018,023/76,919,665.32
  6. Step 6: Final answer
    x = 60,554,039.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.