Finding the Fourth Proportional to 356,563,965.60, 534,845,948.40 and 97,805,342.70
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Solution
The fourth proportional to 356,563,965.60, 534,845,948.40 and 97,805,342.70 is: 146,708,014.05
Step by Step Solution
- Step 1: Write the proportion equation
356,563,965.60 : 534,845,948.40 = 97,805,342.70 : x - Step 2: Convert to fraction form
356,563,965.60/534,845,948.40 = 97,805,342.70/x - Step 3: Cross multiply
356,563,965.60x = 534,845,948.40 × 97,805,342.70 - Step 4: Simplify right side
356,563,965.60x = 52,310,791,274,968,512 - Step 5: Solve for x
x = 52,310,791,274,968,512/356,563,965.60 - Step 6: Final answer
x = 146,708,014.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.