Finding the Fourth Proportional to 117,898,431.84, 176,652,139.68 and 71,700,564.60
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Solution
The fourth proportional to 117,898,431.84, 176,652,139.68 and 71,700,564.60 is: 107,431,947.61
Step by Step Solution
- Step 1: Write the proportion equation
117,898,431.84 : 176,652,139.68 = 71,700,564.60 : x - Step 2: Convert to fraction form
117,898,431.84/176,652,139.68 = 71,700,564.60/x - Step 3: Cross multiply
117,898,431.84x = 176,652,139.68 × 71,700,564.60 - Step 4: Simplify right side
117,898,431.84x = 12,666,058,152,854,062 - Step 5: Solve for x
x = 12,666,058,152,854,062/117,898,431.84 - Step 6: Final answer
x = 107,431,947.61
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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.