Finding the Fourth Proportional to 112,326,472.94, 155,007,559.17 and 62,767,253.88
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Solution
The fourth proportional to 112,326,472.94, 155,007,559.17 and 62,767,253.88 is: 86,617,148.79
Step by Step Solution
- Step 1: Write the proportion equation
112,326,472.94 : 155,007,559.17 = 62,767,253.88 : x - Step 2: Convert to fraction form
112,326,472.94/155,007,559.17 = 62,767,253.88/x - Step 3: Cross multiply
112,326,472.94x = 155,007,559.17 × 62,767,253.88 - Step 4: Simplify right side
112,326,472.94x = 9,729,398,819,742,512 - Step 5: Solve for x
x = 9,729,398,819,742,512/112,326,472.94 - Step 6: Final answer
x = 86,617,148.79
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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.