Finding the Fourth Proportional to 212,961,906, 293,887,430.28 and 115,176,762
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Solution
The fourth proportional to 212,961,906, 293,887,430.28 and 115,176,762 is: 158,943,931.56
Step by Step Solution
- Step 1: Write the proportion equation
212,961,906 : 293,887,430.28 = 115,176,762 : x - Step 2: Convert to fraction form
212,961,906/293,887,430.28 = 115,176,762/x - Step 3: Cross multiply
212,961,906x = 293,887,430.28 × 115,176,762 - Step 4: Simplify right side
212,961,906x = 33,849,002,612,151,152 - Step 5: Solve for x
x = 33,849,002,612,151,152/212,961,906 - Step 6: Final answer
x = 158,943,931.56
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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.