Finding the Fourth Proportional to 302,702,386.64, 417,729,277.56 and 163,473,135
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Solution
The fourth proportional to 302,702,386.64, 417,729,277.56 and 163,473,135 is: 225,592,917.66
Step by Step Solution
- Step 1: Write the proportion equation
302,702,386.64 : 417,729,277.56 = 163,473,135 : x - Step 2: Convert to fraction form
302,702,386.64/417,729,277.56 = 163,473,135/x - Step 3: Cross multiply
302,702,386.64x = 417,729,277.56 × 163,473,135 - Step 4: Simplify right side
302,702,386.64x = 68,287,514,584,018,352 - Step 5: Solve for x
x = 68,287,514,584,018,352/302,702,386.64 - Step 6: Final answer
x = 225,592,917.66
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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.