Finding the Fourth Proportional to 153,739,425.60, 212,165,166.24 and 84,127,740.48
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Solution
The fourth proportional to 153,739,425.60, 212,165,166.24 and 84,127,740.48 is: 116,098,885.99
Step by Step Solution
- Step 1: Write the proportion equation
153,739,425.60 : 212,165,166.24 = 84,127,740.48 : x - Step 2: Convert to fraction form
153,739,425.60/212,165,166.24 = 84,127,740.48/x - Step 3: Cross multiply
153,739,425.60x = 212,165,166.24 × 84,127,740.48 - Step 4: Simplify right side
153,739,425.60x = 17,848,976,044,334,780 - Step 5: Solve for x
x = 17,848,976,044,334,780/153,739,425.60 - Step 6: Final answer
x = 116,098,885.99
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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.