Finding the Fourth Proportional to 101,176,636, 139,642,672.80 and 57,716,572
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Solution
The fourth proportional to 101,176,636, 139,642,672.80 and 57,716,572 is: 79,659,659.56
Step by Step Solution
- Step 1: Write the proportion equation
101,176,636 : 139,642,672.80 = 57,716,572 : x - Step 2: Convert to fraction form
101,176,636/139,642,672.80 = 57,716,572/x - Step 3: Cross multiply
101,176,636x = 139,642,672.80 × 57,716,572 - Step 4: Simplify right side
101,176,636x = 8,059,696,378,933,642 - Step 5: Solve for x
x = 8,059,696,378,933,642/101,176,636 - Step 6: Final answer
x = 79,659,659.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.