Finding the Fourth Proportional to 160,387,385.84, 221,334,806.04 and 87,048,527.84
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Solution
The fourth proportional to 160,387,385.84, 221,334,806.04 and 87,048,527.84 is: 120,127,084.34
Step by Step Solution
- Step 1: Write the proportion equation
160,387,385.84 : 221,334,806.04 = 87,048,527.84 : x - Step 2: Convert to fraction form
160,387,385.84/221,334,806.04 = 87,048,527.84/x - Step 3: Cross multiply
160,387,385.84x = 221,334,806.04 × 87,048,527.84 - Step 4: Simplify right side
160,387,385.84x = 19,266,869,025,533,940 - Step 5: Solve for x
x = 19,266,869,025,533,940/160,387,385.84 - Step 6: Final answer
x = 120,127,084.34
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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.