Finding the Fourth Proportional to 85,657,207.98, 128,490,795.99 and 24,241,228.86
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Solution
The fourth proportional to 85,657,207.98, 128,490,795.99 and 24,241,228.86 is: 36,363,253.78
Step by Step Solution
- Step 1: Write the proportion equation
85,657,207.98 : 128,490,795.99 = 24,241,228.86 : x - Step 2: Convert to fraction form
85,657,207.98/128,490,795.99 = 24,241,228.86/x - Step 3: Cross multiply
85,657,207.98x = 128,490,795.99 × 24,241,228.86 - Step 4: Simplify right side
85,657,207.98x = 3,114,774,791,997,160 - Step 5: Solve for x
x = 3,114,774,791,997,160/85,657,207.98 - Step 6: Final answer
x = 36,363,253.78
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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.