Finding the Fourth Proportional to 106,326,543.68, 146,730,694.56 and 57,433,993.28
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Solution
The fourth proportional to 106,326,543.68, 146,730,694.56 and 57,433,993.28 is: 79,258,945.45
Step by Step Solution
- Step 1: Write the proportion equation
106,326,543.68 : 146,730,694.56 = 57,433,993.28 : x - Step 2: Convert to fraction form
106,326,543.68/146,730,694.56 = 57,433,993.28/x - Step 3: Cross multiply
106,326,543.68x = 146,730,694.56 × 57,433,993.28 - Step 4: Simplify right side
106,326,543.68x = 8,427,329,725,328,773 - Step 5: Solve for x
x = 8,427,329,725,328,773/106,326,543.68 - Step 6: Final answer
x = 79,258,945.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.