Finding the Fourth Proportional to 225,547,873.13, 310,673,863.64 and 159,353,462.99
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Solution
The fourth proportional to 225,547,873.13, 310,673,863.64 and 159,353,462.99 is: 219,496,443.67
Step by Step Solution
- Step 1: Write the proportion equation
225,547,873.13 : 310,673,863.64 = 159,353,462.99 : x - Step 2: Convert to fraction form
225,547,873.13/310,673,863.64 = 159,353,462.99/x - Step 3: Cross multiply
225,547,873.13x = 310,673,863.64 × 159,353,462.99 - Step 4: Simplify right side
225,547,873.13x = 49,506,956,029,166,912 - Step 5: Solve for x
x = 49,506,956,029,166,912/225,547,873.13 - Step 6: Final answer
x = 219,496,443.67
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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.