Finding the Fourth Proportional to 85,657,206.48, 128,490,793.74 and 24,241,227.36
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Solution
The fourth proportional to 85,657,206.48, 128,490,793.74 and 24,241,227.36 is: 36,363,251.53
Step by Step Solution
- Step 1: Write the proportion equation
85,657,206.48 : 128,490,793.74 = 24,241,227.36 : x - Step 2: Convert to fraction form
85,657,206.48/128,490,793.74 = 24,241,227.36/x - Step 3: Cross multiply
85,657,206.48x = 128,490,793.74 × 24,241,227.36 - Step 4: Simplify right side
85,657,206.48x = 3,114,774,544,718,204.50 - Step 5: Solve for x
x = 3,114,774,544,718,204.50/85,657,206.48 - Step 6: Final answer
x = 36,363,251.53
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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.