Home / 67,174,174-92,677,161.12-40,721,009.36

Finding the Fourth Proportional to 67,174,174, 92,677,161.12 and 40,721,009.36

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Solution

The fourth proportional to 67,174,174, 92,677,161.12 and 40,721,009.36 is: 56,180,929.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,174,174 : 92,677,161.12 = 40,721,009.36 : x
  2. Step 2: Convert to fraction form
    67,174,174/92,677,161.12 = 40,721,009.36/x
  3. Step 3: Cross multiply
    67,174,174x = 92,677,161.12 × 40,721,009.36
  4. Step 4: Simplify right side
    67,174,174x = 3,773,907,545,425,748
  5. Step 5: Solve for x
    x = 3,773,907,545,425,748/67,174,174
  6. Step 6: Final answer
    x = 56,180,929.67

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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.