Finding the Fourth Proportional to 186,366,957.30, 279,547,811.55 and 84,130,830.90
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Solution
The fourth proportional to 186,366,957.30, 279,547,811.55 and 84,130,830.90 is: 126,195,061.63
Step by Step Solution
- Step 1: Write the proportion equation
186,366,957.30 : 279,547,811.55 = 84,130,830.90 : x - Step 2: Convert to fraction form
186,366,957.30/279,547,811.55 = 84,130,830.90/x - Step 3: Cross multiply
186,366,957.30x = 279,547,811.55 × 84,130,830.90 - Step 4: Simplify right side
186,366,957.30x = 23,518,589,661,978,120 - Step 5: Solve for x
x = 23,518,589,661,978,120/186,366,957.30 - Step 6: Final answer
x = 126,195,061.63
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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.