Finding the Fourth Proportional to 85,781,993.04, 118,380,349.08 and 46,623,758.40
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Solution
The fourth proportional to 85,781,993.04, 118,380,349.08 and 46,623,758.40 is: 64,341,438.09
Step by Step Solution
- Step 1: Write the proportion equation
85,781,993.04 : 118,380,349.08 = 46,623,758.40 : x - Step 2: Convert to fraction form
85,781,993.04/118,380,349.08 = 46,623,758.40/x - Step 3: Cross multiply
85,781,993.04x = 118,380,349.08 × 46,623,758.40 - Step 4: Simplify right side
85,781,993.04x = 5,519,336,794,813,582 - Step 5: Solve for x
x = 5,519,336,794,813,582/85,781,993.04 - Step 6: Final answer
x = 64,341,438.09
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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.