Finding the Fourth Proportional to 73,539,916.49, 110,166,368.99 and 57,289,779.38
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Solution
The fourth proportional to 73,539,916.49, 110,166,368.99 and 57,289,779.38 is: 85,822,873.83
Step by Step Solution
- Step 1: Write the proportion equation
73,539,916.49 : 110,166,368.99 = 57,289,779.38 : x - Step 2: Convert to fraction form
73,539,916.49/110,166,368.99 = 57,289,779.38/x - Step 3: Cross multiply
73,539,916.49x = 110,166,368.99 × 57,289,779.38 - Step 4: Simplify right side
73,539,916.49x = 6,311,406,973,695,493 - Step 5: Solve for x
x = 6,311,406,973,695,493/73,539,916.49 - Step 6: Final answer
x = 85,822,873.83
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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.