Finding the Fourth Proportional to 85,337,931.24, 117,766,655.09 and 46,179,703.74
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Solution
The fourth proportional to 85,337,931.24, 117,766,655.09 and 46,179,703.74 is: 63,728,158.90
Step by Step Solution
- Step 1: Write the proportion equation
85,337,931.24 : 117,766,655.09 = 46,179,703.74 : x - Step 2: Convert to fraction form
85,337,931.24/117,766,655.09 = 46,179,703.74/x - Step 3: Cross multiply
85,337,931.24x = 117,766,655.09 × 46,179,703.74 - Step 4: Simplify right side
85,337,931.24x = 5,438,429,242,506,963 - Step 5: Solve for x
x = 5,438,429,242,506,963/85,337,931.24 - Step 6: Final answer
x = 63,728,158.90
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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.