Finding the Fourth Proportional to 296,102,437.60, 408,634,131.28 and 163,943,430.12
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Solution
The fourth proportional to 296,102,437.60, 408,634,131.28 and 163,943,430.12 is: 226,249,002.50
Step by Step Solution
- Step 1: Write the proportion equation
296,102,437.60 : 408,634,131.28 = 163,943,430.12 : x - Step 2: Convert to fraction form
296,102,437.60/408,634,131.28 = 163,943,430.12/x - Step 3: Cross multiply
296,102,437.60x = 408,634,131.28 × 163,943,430.12 - Step 4: Simplify right side
296,102,437.60x = 66,992,881,146,149,584 - Step 5: Solve for x
x = 66,992,881,146,149,584/296,102,437.60 - Step 6: Final answer
x = 226,249,002.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.