Finding the Fourth Proportional to 71,790,337.08, 107,712,645.09 and 28,102,318.55
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Solution
The fourth proportional to 71,790,337.08, 107,712,645.09 and 28,102,318.55 is: 42,164,101.57
Step by Step Solution
- Step 1: Write the proportion equation
71,790,337.08 : 107,712,645.09 = 28,102,318.55 : x - Step 2: Convert to fraction form
71,790,337.08/107,712,645.09 = 28,102,318.55/x - Step 3: Cross multiply
71,790,337.08x = 107,712,645.09 × 28,102,318.55 - Step 4: Simplify right side
71,790,337.08x = 3,026,975,064,706,456 - Step 5: Solve for x
x = 3,026,975,064,706,456/71,790,337.08 - Step 6: Final answer
x = 42,164,101.57
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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.