Finding the Fourth Proportional to 93,709,717.68, 129,228,560.28 and 73,075,635.12
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Solution
The fourth proportional to 93,709,717.68, 129,228,560.28 and 73,075,635.12 is: 100,773,530.77
Step by Step Solution
- Step 1: Write the proportion equation
93,709,717.68 : 129,228,560.28 = 73,075,635.12 : x - Step 2: Convert to fraction form
93,709,717.68/129,228,560.28 = 73,075,635.12/x - Step 3: Cross multiply
93,709,717.68x = 129,228,560.28 × 73,075,635.12 - Step 4: Simplify right side
93,709,717.68x = 9,443,459,118,104,206 - Step 5: Solve for x
x = 9,443,459,118,104,206/93,709,717.68 - Step 6: Final answer
x = 100,773,530.77
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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.