Finding the Fourth Proportional to 124,482,657.68, 186,751,746.84 and 38,229,768.80
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Solution
The fourth proportional to 124,482,657.68, 186,751,746.84 and 38,229,768.80 is: 57,353,178.65
Step by Step Solution
- Step 1: Write the proportion equation
124,482,657.68 : 186,751,746.84 = 38,229,768.80 : x - Step 2: Convert to fraction form
124,482,657.68/186,751,746.84 = 38,229,768.80/x - Step 3: Cross multiply
124,482,657.68x = 186,751,746.84 × 38,229,768.80 - Step 4: Simplify right side
124,482,657.68x = 7,139,476,104,689,330 - Step 5: Solve for x
x = 7,139,476,104,689,330/124,482,657.68 - Step 6: Final answer
x = 57,353,178.65
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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.