Finding the Fourth Proportional to 70,871,965.68, 106,316,813.34 and 27,735,597.12
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Solution
The fourth proportional to 70,871,965.68, 106,316,813.34 and 27,735,597.12 is: 41,606,864.91
Step by Step Solution
- Step 1: Write the proportion equation
70,871,965.68 : 106,316,813.34 = 27,735,597.12 : x - Step 2: Convert to fraction form
70,871,965.68/106,316,813.34 = 27,735,597.12/x - Step 3: Cross multiply
70,871,965.68x = 106,316,813.34 × 27,735,597.12 - Step 4: Simplify right side
70,871,965.68x = 2,948,760,301,880,482 - Step 5: Solve for x
x = 2,948,760,301,880,482/70,871,965.68 - Step 6: Final answer
x = 41,606,864.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.