Finding the Fourth Proportional to 107,081,272.47, 147,761,032.11 and 63,025,643.94
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Solution
The fourth proportional to 107,081,272.47, 147,761,032.11 and 63,025,643.94 is: 86,968,841.36
Step by Step Solution
- Step 1: Write the proportion equation
107,081,272.47 : 147,761,032.11 = 63,025,643.94 : x - Step 2: Convert to fraction form
107,081,272.47/147,761,032.11 = 63,025,643.94/x - Step 3: Cross multiply
107,081,272.47x = 147,761,032.11 × 63,025,643.94 - Step 4: Simplify right side
107,081,272.47x = 9,312,734,197,971,768 - Step 5: Solve for x
x = 9,312,734,197,971,768/107,081,272.47 - Step 6: Final answer
x = 86,968,841.36
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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.