Finding the Fourth Proportional to 98,470,539.14, 147,573,779.31 and 76,637,282.49
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Solution
The fourth proportional to 98,470,539.14, 147,573,779.31 and 76,637,282.49 is: 114,853,168.39
Step by Step Solution
- Step 1: Write the proportion equation
98,470,539.14 : 147,573,779.31 = 76,637,282.49 : x - Step 2: Convert to fraction form
98,470,539.14/147,573,779.31 = 76,637,282.49/x - Step 3: Cross multiply
98,470,539.14x = 147,573,779.31 × 76,637,282.49 - Step 4: Simplify right side
98,470,539.14x = 11,309,653,413,097,386 - Step 5: Solve for x
x = 11,309,653,413,097,386/98,470,539.14 - Step 6: Final answer
x = 114,853,168.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.