Finding the Fourth Proportional to 105,318,264.08, 145,351,480.66 and 61,267,119.59
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Solution
The fourth proportional to 105,318,264.08, 145,351,480.66 and 61,267,119.59 is: 84,555,766.52
Step by Step Solution
- Step 1: Write the proportion equation
105,318,264.08 : 145,351,480.66 = 61,267,119.59 : x - Step 2: Convert to fraction form
105,318,264.08/145,351,480.66 = 61,267,119.59/x - Step 3: Cross multiply
105,318,264.08x = 145,351,480.66 × 61,267,119.59 - Step 4: Simplify right side
105,318,264.08x = 8,905,266,548,390,003 - Step 5: Solve for x
x = 8,905,266,548,390,003/105,318,264.08 - Step 6: Final answer
x = 84,555,766.52
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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.