Finding the Fourth Proportional to 67,758,726.24, 93,506,716.68 and 38,390,000.88
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Solution
The fourth proportional to 67,758,726.24, 93,506,716.68 and 38,390,000.88 is: 52,978,016.78
Step by Step Solution
- Step 1: Write the proportion equation
67,758,726.24 : 93,506,716.68 = 38,390,000.88 : x - Step 2: Convert to fraction form
67,758,726.24/93,506,716.68 = 38,390,000.88/x - Step 3: Cross multiply
67,758,726.24x = 93,506,716.68 × 38,390,000.88 - Step 4: Simplify right side
67,758,726.24x = 3,589,722,935,631,111 - Step 5: Solve for x
x = 3,589,722,935,631,111/67,758,726.24 - Step 6: Final answer
x = 52,978,016.78
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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.