Finding the Fourth Proportional to 98,373,140.96, 135,766,903.60 and 57,120,032.08
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Solution
The fourth proportional to 98,373,140.96, 135,766,903.60 and 57,120,032.08 is: 78,832,594.07
Step by Step Solution
- Step 1: Write the proportion equation
98,373,140.96 : 135,766,903.60 = 57,120,032.08 : x - Step 2: Convert to fraction form
98,373,140.96/135,766,903.60 = 57,120,032.08/x - Step 3: Cross multiply
98,373,140.96x = 135,766,903.60 × 57,120,032.08 - Step 4: Simplify right side
98,373,140.96x = 7,755,009,889,034,267 - Step 5: Solve for x
x = 7,755,009,889,034,267/98,373,140.96 - Step 6: Final answer
x = 78,832,594.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.