Finding the Fourth Proportional to 93,641,877.12, 129,230,810.88 and 52,386,309.12
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Solution
The fourth proportional to 93,641,877.12, 129,230,810.88 and 52,386,309.12 is: 72,295,915.19
Step by Step Solution
- Step 1: Write the proportion equation
93,641,877.12 : 129,230,810.88 = 52,386,309.12 : x - Step 2: Convert to fraction form
93,641,877.12/129,230,810.88 = 52,386,309.12/x - Step 3: Cross multiply
93,641,877.12x = 129,230,810.88 × 52,386,309.12 - Step 4: Simplify right side
93,641,877.12x = 6,769,925,206,587,939 - Step 5: Solve for x
x = 6,769,925,206,587,939/93,641,877.12 - Step 6: Final answer
x = 72,295,915.19
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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.