Finding the Fourth Proportional to 165,878,178.09, 228,911,983.11 and 92,539,320.09
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Solution
The fourth proportional to 165,878,178.09, 228,911,983.11 and 92,539,320.09 is: 127,704,316.03
Step by Step Solution
- Step 1: Write the proportion equation
165,878,178.09 : 228,911,983.11 = 92,539,320.09 : x - Step 2: Convert to fraction form
165,878,178.09/228,911,983.11 = 92,539,320.09/x - Step 3: Cross multiply
165,878,178.09x = 228,911,983.11 × 92,539,320.09 - Step 4: Simplify right side
165,878,178.09x = 21,183,359,277,452,964 - Step 5: Solve for x
x = 21,183,359,277,452,964/165,878,178.09 - Step 6: Final answer
x = 127,704,316.03
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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.