Finding the Fourth Proportional to 97,804,929.80, 146,707,394.70 and 52,455,297.80
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Solution
The fourth proportional to 97,804,929.80, 146,707,394.70 and 52,455,297.80 is: 78,682,946.70
Step by Step Solution
- Step 1: Write the proportion equation
97,804,929.80 : 146,707,394.70 = 52,455,297.80 : x - Step 2: Convert to fraction form
97,804,929.80/146,707,394.70 = 52,455,297.80/x - Step 3: Cross multiply
97,804,929.80x = 146,707,394.70 × 52,455,297.80 - Step 4: Simplify right side
97,804,929.80x = 7,695,580,078,450,641 - Step 5: Solve for x
x = 7,695,580,078,450,641/97,804,929.80 - Step 6: Final answer
x = 78,682,946.70
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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.