Finding the Fourth Proportional to 94,176,824.84, 129,971,298.17 and 56,501,406.63
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Solution
The fourth proportional to 94,176,824.84, 129,971,298.17 and 56,501,406.63 is: 77,976,308.72
Step by Step Solution
- Step 1: Write the proportion equation
94,176,824.84 : 129,971,298.17 = 56,501,406.63 : x - Step 2: Convert to fraction form
94,176,824.84/129,971,298.17 = 56,501,406.63/x - Step 3: Cross multiply
94,176,824.84x = 129,971,298.17 × 56,501,406.63 - Step 4: Simplify right side
94,176,824.84x = 7,343,561,167,849,639 - Step 5: Solve for x
x = 7,343,561,167,849,639/94,176,824.84 - Step 6: Final answer
x = 77,976,308.72
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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.