Home / 53,467,931.70-80,373,139.65-49,676,985.90

Finding the Fourth Proportional to 53,467,931.70, 80,373,139.65 and 49,676,985.90

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Solution

The fourth proportional to 53,467,931.70, 80,373,139.65 and 49,676,985.90 is: 74,674,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,467,931.70 : 80,373,139.65 = 49,676,985.90 : x
  2. Step 2: Convert to fraction form
    53,467,931.70/80,373,139.65 = 49,676,985.90/x
  3. Step 3: Cross multiply
    53,467,931.70x = 80,373,139.65 × 49,676,985.90
  4. Step 4: Simplify right side
    53,467,931.70x = 3,992,695,325,131,781
  5. Step 5: Solve for x
    x = 3,992,695,325,131,781/53,467,931.70
  6. Step 6: Final answer
    x = 74,674,579.66

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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.