Finding the Fourth Proportional to 98,724,693.96, 136,244,360.24 and 54,671,692.80
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Solution
The fourth proportional to 98,724,693.96, 136,244,360.24 and 54,671,692.80 is: 75,449,307.67
Step by Step Solution
- Step 1: Write the proportion equation
98,724,693.96 : 136,244,360.24 = 54,671,692.80 : x - Step 2: Convert to fraction form
98,724,693.96/136,244,360.24 = 54,671,692.80/x - Step 3: Cross multiply
98,724,693.96x = 136,244,360.24 × 54,671,692.80 - Step 4: Simplify right side
98,724,693.96x = 7,448,709,808,773,814 - Step 5: Solve for x
x = 7,448,709,808,773,814/98,724,693.96 - Step 6: Final answer
x = 75,449,307.67
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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.