Finding the Fourth Proportional to 69,502,881.18, 95,573,853.68 and 60,319,580.70
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Solution
The fourth proportional to 69,502,881.18, 95,573,853.68 and 60,319,580.70 is: 82,945,838.82
Step by Step Solution
- Step 1: Write the proportion equation
69,502,881.18 : 95,573,853.68 = 60,319,580.70 : x - Step 2: Convert to fraction form
69,502,881.18/95,573,853.68 = 60,319,580.70/x - Step 3: Cross multiply
69,502,881.18x = 95,573,853.68 × 60,319,580.70 - Step 4: Simplify right side
69,502,881.18x = 5,764,974,779,860,753 - Step 5: Solve for x
x = 5,764,974,779,860,753/69,502,881.18 - Step 6: Final answer
x = 82,945,838.82
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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.