Finding the Fourth Proportional to 80,896,386.80, 121,344,580.20 and 29,815,065.20
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Solution
The fourth proportional to 80,896,386.80, 121,344,580.20 and 29,815,065.20 is: 44,722,597.80
Step by Step Solution
- Step 1: Write the proportion equation
80,896,386.80 : 121,344,580.20 = 29,815,065.20 : x - Step 2: Convert to fraction form
80,896,386.80/121,344,580.20 = 29,815,065.20/x - Step 3: Cross multiply
80,896,386.80x = 121,344,580.20 × 29,815,065.20 - Step 4: Simplify right side
80,896,386.80x = 3,617,896,570,329,629 - Step 5: Solve for x
x = 3,617,896,570,329,629/80,896,386.80 - Step 6: Final answer
x = 44,722,597.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.