Home / 85,588,658.31-118,112,348.48-48,920,016.63

Finding the Fourth Proportional to 85,588,658.31, 118,112,348.48 and 48,920,016.63

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Solution

The fourth proportional to 85,588,658.31, 118,112,348.48 and 48,920,016.63 is: 67,509,622.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,588,658.31 : 118,112,348.48 = 48,920,016.63 : x
  2. Step 2: Convert to fraction form
    85,588,658.31/118,112,348.48 = 48,920,016.63/x
  3. Step 3: Cross multiply
    85,588,658.31x = 118,112,348.48 × 48,920,016.63
  4. Step 4: Simplify right side
    85,588,658.31x = 5,778,058,051,849,956
  5. Step 5: Solve for x
    x = 5,778,058,051,849,956/85,588,658.31
  6. Step 6: Final answer
    x = 67,509,622.96

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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.