Finding the Fourth Proportional to 91,020,987.18, 125,643,119.70 and 59,661,056.58
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Solution
The fourth proportional to 91,020,987.18, 125,643,119.70 and 59,661,056.58 is: 82,354,647.05
Step by Step Solution
- Step 1: Write the proportion equation
91,020,987.18 : 125,643,119.70 = 59,661,056.58 : x - Step 2: Convert to fraction form
91,020,987.18/125,643,119.70 = 59,661,056.58/x - Step 3: Cross multiply
91,020,987.18x = 125,643,119.70 × 59,661,056.58 - Step 4: Simplify right side
91,020,987.18x = 7,496,001,273,309,413 - Step 5: Solve for x
x = 7,496,001,273,309,413/91,020,987.18 - Step 6: Final answer
x = 82,354,647.05
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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.