Finding the Fourth Proportional to 81,706,962.74, 112,752,215.87 and 44,536,425.21
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Solution
The fourth proportional to 81,706,962.74, 112,752,215.87 and 44,536,425.21 is: 61,458,417.51
Step by Step Solution
- Step 1: Write the proportion equation
81,706,962.74 : 112,752,215.87 = 44,536,425.21 : x - Step 2: Convert to fraction form
81,706,962.74/112,752,215.87 = 44,536,425.21/x - Step 3: Cross multiply
81,706,962.74x = 112,752,215.87 × 44,536,425.21 - Step 4: Simplify right side
81,706,962.74x = 5,021,580,629,133,348 - Step 5: Solve for x
x = 5,021,580,629,133,348/81,706,962.74 - Step 6: Final answer
x = 61,458,417.51
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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.