Finding the Fourth Proportional to 274,536,378.81, 411,804,237.74 and 70,064,475.93
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Solution
The fourth proportional to 274,536,378.81, 411,804,237.74 and 70,064,475.93 is: 105,096,629.55
Step by Step Solution
- Step 1: Write the proportion equation
274,536,378.81 : 411,804,237.74 = 70,064,475.93 : x - Step 2: Convert to fraction form
274,536,378.81/411,804,237.74 = 70,064,475.93/x - Step 3: Cross multiply
274,536,378.81x = 411,804,237.74 × 70,064,475.93 - Step 4: Simplify right side
274,536,378.81x = 28,852,848,102,655,908 - Step 5: Solve for x
x = 28,852,848,102,655,908/274,536,378.81 - Step 6: Final answer
x = 105,096,629.55
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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.