Finding the Fourth Proportional to 110,779,252.49, 166,020,345.01 and 86,216,838.17
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Solution
The fourth proportional to 110,779,252.49, 166,020,345.01 and 86,216,838.17 is: 129,209,657.02
Step by Step Solution
- Step 1: Write the proportion equation
110,779,252.49 : 166,020,345.01 = 86,216,838.17 : x - Step 2: Convert to fraction form
110,779,252.49/166,020,345.01 = 86,216,838.17/x - Step 3: Cross multiply
110,779,252.49x = 166,020,345.01 × 86,216,838.17 - Step 4: Simplify right side
110,779,252.49x = 14,313,749,218,654,736 - Step 5: Solve for x
x = 14,313,749,218,654,736/110,779,252.49 - Step 6: Final answer
x = 129,209,657.02
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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.