Finding the Fourth Proportional to 94,643,252.06, 130,676,862.33 and 61,172,530.07
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Solution
The fourth proportional to 94,643,252.06, 130,676,862.33 and 61,172,530.07 is: 84,462,802.32
Step by Step Solution
- Step 1: Write the proportion equation
94,643,252.06 : 130,676,862.33 = 61,172,530.07 : x - Step 2: Convert to fraction form
94,643,252.06/130,676,862.33 = 61,172,530.07/x - Step 3: Cross multiply
94,643,252.06x = 130,676,862.33 × 61,172,530.07 - Step 4: Simplify right side
94,643,252.06x = 7,993,834,289,681,791 - Step 5: Solve for x
x = 7,993,834,289,681,791/94,643,252.06 - Step 6: Final answer
x = 84,462,802.32
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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.