Finding the Fourth Proportional to 117,636,256.16, 176,292,957.12 and 74,428,110.20
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Solution
The fourth proportional to 117,636,256.16, 176,292,957.12 and 74,428,110.20 is: 111,540,030.84
Step by Step Solution
- Step 1: Write the proportion equation
117,636,256.16 : 176,292,957.12 = 74,428,110.20 : x - Step 2: Convert to fraction form
117,636,256.16/176,292,957.12 = 74,428,110.20/x - Step 3: Cross multiply
117,636,256.16x = 176,292,957.12 × 74,428,110.20 - Step 4: Simplify right side
117,636,256.16x = 13,121,151,640,011,236 - Step 5: Solve for x
x = 13,121,151,640,011,236/117,636,256.16 - Step 6: Final answer
x = 111,540,030.84
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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.