Finding the Fourth Proportional to 70,535,433.04, 97,371,472.68 and 42,291,172.01
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Solution
The fourth proportional to 70,535,433.04, 97,371,472.68 and 42,291,172.01 is: 58,381,348.53
Step by Step Solution
- Step 1: Write the proportion equation
70,535,433.04 : 97,371,472.68 = 42,291,172.01 : x - Step 2: Convert to fraction form
70,535,433.04/97,371,472.68 = 42,291,172.01/x - Step 3: Cross multiply
70,535,433.04x = 97,371,472.68 × 42,291,172.01 - Step 4: Simplify right side
70,535,433.04x = 4,117,953,700,220,325 - Step 5: Solve for x
x = 4,117,953,700,220,325/70,535,433.04 - Step 6: Final answer
x = 58,381,348.53
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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.