Finding the Fourth Proportional to 160,521,522.94, 221,506,178.70 and 88,996,318.09
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Solution
The fourth proportional to 160,521,522.94, 221,506,178.70 and 88,996,318.09 is: 122,807,421.57
Step by Step Solution
- Step 1: Write the proportion equation
160,521,522.94 : 221,506,178.70 = 88,996,318.09 : x - Step 2: Convert to fraction form
160,521,522.94/221,506,178.70 = 88,996,318.09/x - Step 3: Cross multiply
160,521,522.94x = 221,506,178.70 × 88,996,318.09 - Step 4: Simplify right side
160,521,522.94x = 19,713,234,338,485,584 - Step 5: Solve for x
x = 19,713,234,338,485,584/160,521,522.94 - Step 6: Final answer
x = 122,807,421.57
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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.