Finding the Fourth Proportional to 75,705,776.01, 113,559,574.05 and 21,115,038.69
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Solution
The fourth proportional to 75,705,776.01, 113,559,574.05 and 21,115,038.69 is: 31,672,811.85
Step by Step Solution
- Step 1: Write the proportion equation
75,705,776.01 : 113,559,574.05 = 21,115,038.69 : x - Step 2: Convert to fraction form
75,705,776.01/113,559,574.05 = 21,115,038.69/x - Step 3: Cross multiply
75,705,776.01x = 113,559,574.05 × 21,115,038.69 - Step 4: Simplify right side
75,705,776.01x = 2,397,814,799,685,670 - Step 5: Solve for x
x = 2,397,814,799,685,670/75,705,776.01 - Step 6: Final answer
x = 31,672,811.85
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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.