Home / 73,919,256.21-102,009,250.67-40,877,797.77

Finding the Fourth Proportional to 73,919,256.21, 102,009,250.67 and 40,877,797.77

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Solution

The fourth proportional to 73,919,256.21, 102,009,250.67 and 40,877,797.77 is: 56,411,735.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,919,256.21 : 102,009,250.67 = 40,877,797.77 : x
  2. Step 2: Convert to fraction form
    73,919,256.21/102,009,250.67 = 40,877,797.77/x
  3. Step 3: Cross multiply
    73,919,256.21x = 102,009,250.67 × 40,877,797.77
  4. Step 4: Simplify right side
    73,919,256.21x = 4,169,913,519,353,108.50
  5. Step 5: Solve for x
    x = 4,169,913,519,353,108.50/73,919,256.21
  6. Step 6: Final answer
    x = 56,411,735.36

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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.