Finding the Fourth Proportional to 163,812,117.78, 245,752,686.33 and 53,139,146.10
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Solution
The fourth proportional to 163,812,117.78, 245,752,686.33 and 53,139,146.10 is: 79,719,913.77
Step by Step Solution
- Step 1: Write the proportion equation
163,812,117.78 : 245,752,686.33 = 53,139,146.10 : x - Step 2: Convert to fraction form
163,812,117.78/245,752,686.33 = 53,139,146.10/x - Step 3: Cross multiply
163,812,117.78x = 245,752,686.33 × 53,139,146.10 - Step 4: Simplify right side
163,812,117.78x = 13,059,087,903,827,246 - Step 5: Solve for x
x = 13,059,087,903,827,246/163,812,117.78 - Step 6: Final answer
x = 79,719,913.77
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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.