Finding the Fourth Proportional to 69,721,101.31, 104,594,420.85 and 28,758,194.68
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Solution
The fourth proportional to 69,721,101.31, 104,594,420.85 and 28,758,194.68 is: 43,142,558.86
Step by Step Solution
- Step 1: Write the proportion equation
69,721,101.31 : 104,594,420.85 = 28,758,194.68 : x - Step 2: Convert to fraction form
69,721,101.31/104,594,420.85 = 28,758,194.68/x - Step 3: Cross multiply
69,721,101.31x = 104,594,420.85 × 28,758,194.68 - Step 4: Simplify right side
69,721,101.31x = 3,007,946,717,246,151 - Step 5: Solve for x
x = 3,007,946,717,246,151/69,721,101.31 - Step 6: Final answer
x = 43,142,558.86
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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.