Finding the Fourth Proportional to 71,215,030.84, 106,819,336.24 and 29,698,811.32
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Solution
The fourth proportional to 71,215,030.84, 106,819,336.24 and 29,698,811.32 is: 44,546,878.31
Step by Step Solution
- Step 1: Write the proportion equation
71,215,030.84 : 106,819,336.24 = 29,698,811.32 : x - Step 2: Convert to fraction form
71,215,030.84/106,819,336.24 = 29,698,811.32/x - Step 3: Cross multiply
71,215,030.84x = 106,819,336.24 × 29,698,811.32 - Step 4: Simplify right side
71,215,030.84x = 3,172,407,312,319,398 - Step 5: Solve for x
x = 3,172,407,312,319,398/71,215,030.84 - Step 6: Final answer
x = 44,546,878.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.