Finding the Fourth Proportional to 115,536,929.67, 159,444,818.87 and 63,326,099.12
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Solution
The fourth proportional to 115,536,929.67, 159,444,818.87 and 63,326,099.12 is: 87,392,130.22
Step by Step Solution
- Step 1: Write the proportion equation
115,536,929.67 : 159,444,818.87 = 63,326,099.12 : x - Step 2: Convert to fraction form
115,536,929.67/159,444,818.87 = 63,326,099.12/x - Step 3: Cross multiply
115,536,929.67x = 159,444,818.87 × 63,326,099.12 - Step 4: Simplify right side
115,536,929.67x = 10,097,018,402,818,212 - Step 5: Solve for x
x = 10,097,018,402,818,212/115,536,929.67 - Step 6: Final answer
x = 87,392,130.22
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.