Finding the Fourth Proportional to 108,103,211.16, 162,413,506.17 and 69,317,652.84
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Solution
The fourth proportional to 108,103,211.16, 162,413,506.17 and 69,317,652.84 is: 104,142,355.41
Step by Step Solution
- Step 1: Write the proportion equation
108,103,211.16 : 162,413,506.17 = 69,317,652.84 : x - Step 2: Convert to fraction form
108,103,211.16/162,413,506.17 = 69,317,652.84/x - Step 3: Cross multiply
108,103,211.16x = 162,413,506.17 × 69,317,652.84 - Step 4: Simplify right side
108,103,211.16x = 11,258,123,037,219,258 - Step 5: Solve for x
x = 11,258,123,037,219,258/108,103,211.16 - Step 6: Final answer
x = 104,142,355.41
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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.