Finding the Fourth Proportional to 146,499,602.30, 202,161,908.94 and 86,963,397.02
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Solution
The fourth proportional to 146,499,602.30, 202,161,908.94 and 86,963,397.02 is: 120,005,010.75
Step by Step Solution
- Step 1: Write the proportion equation
146,499,602.30 : 202,161,908.94 = 86,963,397.02 : x - Step 2: Convert to fraction form
146,499,602.30/202,161,908.94 = 86,963,397.02/x - Step 3: Cross multiply
146,499,602.30x = 202,161,908.94 × 86,963,397.02 - Step 4: Simplify right side
146,499,602.30x = 17,580,686,349,470,306 - Step 5: Solve for x
x = 17,580,686,349,470,306/146,499,602.30 - Step 6: Final answer
x = 120,005,010.75
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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.