Finding the Fourth Proportional to 310,847,940.92, 429,007,775.28 and 176,918,421.94
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Solution
The fourth proportional to 310,847,940.92, 429,007,775.28 and 176,918,421.94 is: 244,168,831.80
Step by Step Solution
- Step 1: Write the proportion equation
310,847,940.92 : 429,007,775.28 = 176,918,421.94 : x - Step 2: Convert to fraction form
310,847,940.92/429,007,775.28 = 176,918,421.94/x - Step 3: Cross multiply
310,847,940.92x = 429,007,775.28 × 176,918,421.94 - Step 4: Simplify right side
310,847,940.92x = 75,899,378,602,527,728 - Step 5: Solve for x
x = 75,899,378,602,527,728/310,847,940.92 - Step 6: Final answer
x = 244,168,831.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.