Finding the Fourth Proportional to 124,170,756.87, 186,284,954.55 and 42,290,344.53
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Solution
The fourth proportional to 124,170,756.87, 186,284,954.55 and 42,290,344.53 is: 63,445,332.12
Step by Step Solution
- Step 1: Write the proportion equation
124,170,756.87 : 186,284,954.55 = 42,290,344.53 : x - Step 2: Convert to fraction form
124,170,756.87/186,284,954.55 = 42,290,344.53/x - Step 3: Cross multiply
124,170,756.87x = 186,284,954.55 × 42,290,344.53 - Step 4: Simplify right side
124,170,756.87x = 7,878,054,908,674,892 - Step 5: Solve for x
x = 7,878,054,908,674,892/124,170,756.87 - Step 6: Final answer
x = 63,445,332.12
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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.