Finding the Fourth Proportional to 125,358,130.19, 187,938,299.14 and 79,202,712.92
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Solution
The fourth proportional to 125,358,130.19, 187,938,299.14 and 79,202,712.92 is: 118,741,585.64
Step by Step Solution
- Step 1: Write the proportion equation
125,358,130.19 : 187,938,299.14 = 79,202,712.92 : x - Step 2: Convert to fraction form
125,358,130.19/187,938,299.14 = 79,202,712.92/x - Step 3: Cross multiply
125,358,130.19x = 187,938,299.14 × 79,202,712.92 - Step 4: Simplify right side
125,358,130.19x = 14,885,223,152,320,804 - Step 5: Solve for x
x = 14,885,223,152,320,804/125,358,130.19 - Step 6: Final answer
x = 118,741,585.64
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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.