Finding the Fourth Proportional to 70,781,256.86, 97,681,165.04 and 39,419,305.68
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Solution
The fourth proportional to 70,781,256.86, 97,681,165.04 and 39,419,305.68 is: 54,400,329.62
Step by Step Solution
- Step 1: Write the proportion equation
70,781,256.86 : 97,681,165.04 = 39,419,305.68 : x - Step 2: Convert to fraction form
70,781,256.86/97,681,165.04 = 39,419,305.68/x - Step 3: Cross multiply
70,781,256.86x = 97,681,165.04 × 39,419,305.68 - Step 4: Simplify right side
70,781,256.86x = 3,850,523,703,890,289.50 - Step 5: Solve for x
x = 3,850,523,703,890,289.50/70,781,256.86 - Step 6: Final answer
x = 54,400,329.62
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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.