Finding the Fourth Proportional to 163,812,119.78, 245,752,689.34 and 53,139,148.10
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Solution
The fourth proportional to 163,812,119.78, 245,752,689.34 and 53,139,148.10 is: 79,719,916.77
Step by Step Solution
- Step 1: Write the proportion equation
163,812,119.78 : 245,752,689.34 = 53,139,148.10 : x - Step 2: Convert to fraction form
163,812,119.78/245,752,689.34 = 53,139,148.10/x - Step 3: Cross multiply
163,812,119.78x = 245,752,689.34 × 53,139,148.10 - Step 4: Simplify right side
163,812,119.78x = 13,059,088,554,811,552 - Step 5: Solve for x
x = 13,059,088,554,811,552/163,812,119.78 - Step 6: Final answer
x = 79,719,916.77
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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.