Finding the Fourth Proportional to 129,526,001.20, 178,745,590.80 and 73,771,417.84
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Solution
The fourth proportional to 129,526,001.20, 178,745,590.80 and 73,771,417.84 is: 101,804,390.96
Step by Step Solution
- Step 1: Write the proportion equation
129,526,001.20 : 178,745,590.80 = 73,771,417.84 : x - Step 2: Convert to fraction form
129,526,001.20/178,745,590.80 = 73,771,417.84/x - Step 3: Cross multiply
129,526,001.20x = 178,745,590.80 × 73,771,417.84 - Step 4: Simplify right side
129,526,001.20x = 13,186,315,665,964,462 - Step 5: Solve for x
x = 13,186,315,665,964,462/129,526,001.20 - Step 6: Final answer
x = 101,804,390.96
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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.