Finding the Fourth Proportional to 106,706,256.92, 147,109,820.04 and 74,873,175.21
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Solution
The fourth proportional to 106,706,256.92, 147,109,820.04 and 74,873,175.21 is: 103,223,368.99
Step by Step Solution
- Step 1: Write the proportion equation
106,706,256.92 : 147,109,820.04 = 74,873,175.21 : x - Step 2: Convert to fraction form
106,706,256.92/147,109,820.04 = 74,873,175.21/x - Step 3: Cross multiply
106,706,256.92x = 147,109,820.04 × 74,873,175.21 - Step 4: Simplify right side
106,706,256.92x = 11,014,579,331,590,556 - Step 5: Solve for x
x = 11,014,579,331,590,556/106,706,256.92 - Step 6: Final answer
x = 103,223,368.99
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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.