Finding the Fourth Proportional to 88,974,374.80, 133,461,562.20 and 69,864,077.20
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Solution
The fourth proportional to 88,974,374.80, 133,461,562.20 and 69,864,077.20 is: 104,796,115.80
Step by Step Solution
- Step 1: Write the proportion equation
88,974,374.80 : 133,461,562.20 = 69,864,077.20 : x - Step 2: Convert to fraction form
88,974,374.80/133,461,562.20 = 69,864,077.20/x - Step 3: Cross multiply
88,974,374.80x = 133,461,562.20 × 69,864,077.20 - Step 4: Simplify right side
88,974,374.80x = 9,324,168,884,773,402 - Step 5: Solve for x
x = 9,324,168,884,773,402/88,974,374.80 - Step 6: Final answer
x = 104,796,115.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.