Finding the Fourth Proportional to 315,547,277.04, 435,446,888.52 and 176,319,183.12
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Solution
The fourth proportional to 315,547,277.04, 435,446,888.52 and 176,319,183.12 is: 243,315,804.83
Step by Step Solution
- Step 1: Write the proportion equation
315,547,277.04 : 435,446,888.52 = 176,319,183.12 : x - Step 2: Convert to fraction form
315,547,277.04/435,446,888.52 = 176,319,183.12/x - Step 3: Cross multiply
315,547,277.04x = 435,446,888.52 × 176,319,183.12 - Step 4: Simplify right side
315,547,277.04x = 76,777,639,675,992,112 - Step 5: Solve for x
x = 76,777,639,675,992,112/315,547,277.04 - Step 6: Final answer
x = 243,315,804.83
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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.