Finding the Fourth Proportional to 134,368,543.68, 185,416,768.62 and 74,825,340.46
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Solution
The fourth proportional to 134,368,543.68, 185,416,768.62 and 74,825,340.46 is: 103,252,386.75
Step by Step Solution
- Step 1: Write the proportion equation
134,368,543.68 : 185,416,768.62 = 74,825,340.46 : x - Step 2: Convert to fraction form
134,368,543.68/185,416,768.62 = 74,825,340.46/x - Step 3: Cross multiply
134,368,543.68x = 185,416,768.62 × 74,825,340.46 - Step 4: Simplify right side
134,368,543.68x = 13,873,872,838,797,318 - Step 5: Solve for x
x = 13,873,872,838,797,318/134,368,543.68 - Step 6: Final answer
x = 103,252,386.75
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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.