Finding the Fourth Proportional to 86,490,914.41, 119,357,384.15 and 48,822,008.99
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Solution
The fourth proportional to 86,490,914.41, 119,357,384.15 and 48,822,008.99 is: 67,374,328.52
Step by Step Solution
- Step 1: Write the proportion equation
86,490,914.41 : 119,357,384.15 = 48,822,008.99 : x - Step 2: Convert to fraction form
86,490,914.41/119,357,384.15 = 48,822,008.99/x - Step 3: Cross multiply
86,490,914.41x = 119,357,384.15 × 48,822,008.99 - Step 4: Simplify right side
86,490,914.41x = 5,827,267,281,153,286 - Step 5: Solve for x
x = 5,827,267,281,153,286/86,490,914.41 - Step 6: Final answer
x = 67,374,328.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.