Home / 75,166,518.98-103,733,861.72-42,137,377.80

Finding the Fourth Proportional to 75,166,518.98, 103,733,861.72 and 42,137,377.80

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Solution

The fourth proportional to 75,166,518.98, 103,733,861.72 and 42,137,377.80 is: 58,151,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,166,518.98 : 103,733,861.72 = 42,137,377.80 : x
  2. Step 2: Convert to fraction form
    75,166,518.98/103,733,861.72 = 42,137,377.80/x
  3. Step 3: Cross multiply
    75,166,518.98x = 103,733,861.72 × 42,137,377.80
  4. Step 4: Simplify right side
    75,166,518.98x = 4,371,072,921,948,597.50
  5. Step 5: Solve for x
    x = 4,371,072,921,948,597.50/75,166,518.98
  6. Step 6: Final answer
    x = 58,151,860.45

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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.