Finding the Fourth Proportional to 70,862,954.70, 97,790,876.91 and 38,267,903.82
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Solution
The fourth proportional to 70,862,954.70, 97,790,876.91 and 38,267,903.82 is: 52,809,706.96
Step by Step Solution
- Step 1: Write the proportion equation
70,862,954.70 : 97,790,876.91 = 38,267,903.82 : x - Step 2: Convert to fraction form
70,862,954.70/97,790,876.91 = 38,267,903.82/x - Step 3: Cross multiply
70,862,954.70x = 97,790,876.91 × 38,267,903.82 - Step 4: Simplify right side
70,862,954.70x = 3,742,251,872,065,338.50 - Step 5: Solve for x
x = 3,742,251,872,065,338.50/70,862,954.70 - Step 6: Final answer
x = 52,809,706.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.