Home / 75,377,885.22-103,994,991.72-49,287,675.06

Finding the Fourth Proportional to 75,377,885.22, 103,994,991.72 and 49,287,675.06

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Solution

The fourth proportional to 75,377,885.22, 103,994,991.72 and 49,287,675.06 is: 67,999,670.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,377,885.22 : 103,994,991.72 = 49,287,675.06 : x
  2. Step 2: Convert to fraction form
    75,377,885.22/103,994,991.72 = 49,287,675.06/x
  3. Step 3: Cross multiply
    75,377,885.22x = 103,994,991.72 × 49,287,675.06
  4. Step 4: Simplify right side
    75,377,885.22x = 5,125,671,359,762,751
  5. Step 5: Solve for x
    x = 5,125,671,359,762,751/75,377,885.22
  6. Step 6: Final answer
    x = 67,999,670.52

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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.