Finding the Fourth Proportional to 317,479,110.18, 438,106,365.93 and 176,359,477.29
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Solution
The fourth proportional to 317,479,110.18, 438,106,365.93 and 176,359,477.29 is: 243,367,853.87
Step by Step Solution
- Step 1: Write the proportion equation
317,479,110.18 : 438,106,365.93 = 176,359,477.29 : x - Step 2: Convert to fraction form
317,479,110.18/438,106,365.93 = 176,359,477.29/x - Step 3: Cross multiply
317,479,110.18x = 438,106,365.93 × 176,359,477.29 - Step 4: Simplify right side
317,479,110.18x = 77,264,209,692,836,256 - Step 5: Solve for x
x = 77,264,209,692,836,256/317,479,110.18 - Step 6: Final answer
x = 243,367,853.87
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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.