Finding the Fourth Proportional to 147,219,867.48, 203,160,750.30 and 80,239,405.08
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Solution
The fourth proportional to 147,219,867.48, 203,160,750.30 and 80,239,405.08 is: 110,728,925.51
Step by Step Solution
- Step 1: Write the proportion equation
147,219,867.48 : 203,160,750.30 = 80,239,405.08 : x - Step 2: Convert to fraction form
147,219,867.48/203,160,750.30 = 80,239,405.08/x - Step 3: Cross multiply
147,219,867.48x = 203,160,750.30 × 80,239,405.08 - Step 4: Simplify right side
147,219,867.48x = 16,301,497,739,678,432 - Step 5: Solve for x
x = 16,301,497,739,678,432/147,219,867.48 - Step 6: Final answer
x = 110,728,925.51
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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.