Finding the Fourth Proportional to 319,687,437.36, 441,168,658.20 and 173,009,721.36
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Solution
The fourth proportional to 319,687,437.36, 441,168,658.20 and 173,009,721.36 is: 238,753,412.58
Step by Step Solution
- Step 1: Write the proportion equation
319,687,437.36 : 441,168,658.20 = 173,009,721.36 : x - Step 2: Convert to fraction form
319,687,437.36/441,168,658.20 = 173,009,721.36/x - Step 3: Cross multiply
319,687,437.36x = 441,168,658.20 × 173,009,721.36 - Step 4: Simplify right side
319,687,437.36x = 76,326,466,627,947,088 - Step 5: Solve for x
x = 76,326,466,627,947,088/319,687,437.36 - Step 6: Final answer
x = 238,753,412.58
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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.