Finding the Fourth Proportional to 57,449,811.95, 85,668,748.86 and 56,931,656.97
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Solution
The fourth proportional to 57,449,811.95, 85,668,748.86 and 56,931,656.97 is: 84,896,079.86
Step by Step Solution
- Step 1: Write the proportion equation
57,449,811.95 : 85,668,748.86 = 56,931,656.97 : x - Step 2: Convert to fraction form
57,449,811.95/85,668,748.86 = 56,931,656.97/x - Step 3: Cross multiply
57,449,811.95x = 85,668,748.86 × 56,931,656.97 - Step 4: Simplify right side
57,449,811.95x = 4,877,263,823,218,441 - Step 5: Solve for x
x = 4,877,263,823,218,441/57,449,811.95 - Step 6: Final answer
x = 84,896,079.86
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.