Finding the Fourth Proportional to 314,439,931.34, 433,921,292.97 and 171,386,927.18
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Solution
The fourth proportional to 314,439,931.34, 433,921,292.97 and 171,386,927.18 is: 236,510,791.50
Step by Step Solution
- Step 1: Write the proportion equation
314,439,931.34 : 433,921,292.97 = 171,386,927.18 : x - Step 2: Convert to fraction form
314,439,931.34/433,921,292.97 = 171,386,927.18/x - Step 3: Cross multiply
314,439,931.34x = 433,921,292.97 × 171,386,927.18 - Step 4: Simplify right side
314,439,931.34x = 74,368,437,040,100,848 - Step 5: Solve for x
x = 74,368,437,040,100,848/314,439,931.34 - Step 6: Final answer
x = 236,510,791.50
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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.