Finding the Fourth Proportional to 86,688,299.75, 130,012,551.48 and 51,683,318.99
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Solution
The fourth proportional to 86,688,299.75, 130,012,551.48 and 51,683,318.99 is: 77,513,115.27
Step by Step Solution
- Step 1: Write the proportion equation
86,688,299.75 : 130,012,551.48 = 51,683,318.99 : x - Step 2: Convert to fraction form
86,688,299.75/130,012,551.48 = 51,683,318.99/x - Step 3: Cross multiply
86,688,299.75x = 130,012,551.48 × 51,683,318.99 - Step 4: Simplify right side
86,688,299.75x = 6,719,480,170,844,637 - Step 5: Solve for x
x = 6,719,480,170,844,637/86,688,299.75 - Step 6: Final answer
x = 77,513,115.27
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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.