Finding the Fourth Proportional to 86,120,643.60, 118,849,358.15 and 46,964,562.79
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Solution
The fourth proportional to 86,120,643.60, 118,849,358.15 and 46,964,562.79 is: 64,812,661.75
Step by Step Solution
- Step 1: Write the proportion equation
86,120,643.60 : 118,849,358.15 = 46,964,562.79 : x - Step 2: Convert to fraction form
86,120,643.60/118,849,358.15 = 46,964,562.79/x - Step 3: Cross multiply
86,120,643.60x = 118,849,358.15 × 46,964,562.79 - Step 4: Simplify right side
86,120,643.60x = 5,581,708,143,386,873 - Step 5: Solve for x
x = 5,581,708,143,386,873/86,120,643.60 - Step 6: Final answer
x = 64,812,661.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.