Finding the Fourth Proportional to 91,132,898.18, 125,763,395.61 and 49,316,964.78
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Solution
The fourth proportional to 91,132,898.18, 125,763,395.61 and 49,316,964.78 is: 68,057,409.31
Step by Step Solution
- Step 1: Write the proportion equation
91,132,898.18 : 125,763,395.61 = 49,316,964.78 : x - Step 2: Convert to fraction form
91,132,898.18/125,763,395.61 = 49,316,964.78/x - Step 3: Cross multiply
91,132,898.18x = 125,763,395.61 × 49,316,964.78 - Step 4: Simplify right side
91,132,898.18x = 6,202,268,952,568,127 - Step 5: Solve for x
x = 6,202,268,952,568,127/91,132,898.18 - Step 6: Final answer
x = 68,057,409.31
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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.