Finding the Fourth Proportional to 125,707,373.73, 188,506,090.78 and 63,420,366.47
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Solution
The fourth proportional to 125,707,373.73, 188,506,090.78 and 63,420,366.47 is: 95,102,816.99
Step by Step Solution
- Step 1: Write the proportion equation
125,707,373.73 : 188,506,090.78 = 63,420,366.47 : x - Step 2: Convert to fraction form
125,707,373.73/188,506,090.78 = 63,420,366.47/x - Step 3: Cross multiply
125,707,373.73x = 188,506,090.78 × 63,420,366.47 - Step 4: Simplify right side
125,707,373.73x = 11,955,125,357,993,608 - Step 5: Solve for x
x = 11,955,125,357,993,608/125,707,373.73 - Step 6: Final answer
x = 95,102,816.99
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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.