Finding the Fourth Proportional to 55,723,568.24, 83,547,193.80 and 28,376,925.68
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Solution
The fourth proportional to 55,723,568.24, 83,547,193.80 and 28,376,925.68 is: 42,545,956.48
Step by Step Solution
- Step 1: Write the proportion equation
55,723,568.24 : 83,547,193.80 = 28,376,925.68 : x - Step 2: Convert to fraction form
55,723,568.24/83,547,193.80 = 28,376,925.68/x - Step 3: Cross multiply
55,723,568.24x = 83,547,193.80 × 28,376,925.68 - Step 4: Simplify right side
55,723,568.24x = 2,370,812,509,235,156.50 - Step 5: Solve for x
x = 2,370,812,509,235,156.50/55,723,568.24 - Step 6: Final answer
x = 42,545,956.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.