Finding the Fourth Proportional to 165,763,770.60, 248,645,655.90 and 56,552,645.10
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Solution
The fourth proportional to 165,763,770.60, 248,645,655.90 and 56,552,645.10 is: 84,828,967.65
Step by Step Solution
- Step 1: Write the proportion equation
165,763,770.60 : 248,645,655.90 = 56,552,645.10 : x - Step 2: Convert to fraction form
165,763,770.60/248,645,655.90 = 56,552,645.10/x - Step 3: Cross multiply
165,763,770.60x = 248,645,655.90 × 56,552,645.10 - Step 4: Simplify right side
165,763,770.60x = 14,061,569,533,769,422 - Step 5: Solve for x
x = 14,061,569,533,769,422/165,763,770.60 - Step 6: Final answer
x = 84,828,967.65
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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.