Home / 73,919,257.21-102,009,252.05-40,877,798.77

Finding the Fourth Proportional to 73,919,257.21, 102,009,252.05 and 40,877,798.77

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Solution

The fourth proportional to 73,919,257.21, 102,009,252.05 and 40,877,798.77 is: 56,411,736.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,919,257.21 : 102,009,252.05 = 40,877,798.77 : x
  2. Step 2: Convert to fraction form
    73,919,257.21/102,009,252.05 = 40,877,798.77/x
  3. Step 3: Cross multiply
    73,919,257.21x = 102,009,252.05 × 40,877,798.77
  4. Step 4: Simplify right side
    73,919,257.21x = 4,169,913,677,978,110
  5. Step 5: Solve for x
    x = 4,169,913,677,978,110/73,919,257.21
  6. Step 6: Final answer
    x = 56,411,736.74

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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.