Finding the Fourth Proportional to 118,321,432.38, 178,289,779.50 and 97,228,539.09
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Solution
The fourth proportional to 118,321,432.38, 178,289,779.50 and 97,228,539.09 is: 146,506,465.03
Step by Step Solution
- Step 1: Write the proportion equation
118,321,432.38 : 178,289,779.50 = 97,228,539.09 : x - Step 2: Convert to fraction form
118,321,432.38/178,289,779.50 = 97,228,539.09/x - Step 3: Cross multiply
118,321,432.38x = 178,289,779.50 × 97,228,539.09 - Step 4: Simplify right side
118,321,432.38x = 17,334,854,795,463,232 - Step 5: Solve for x
x = 17,334,854,795,463,232/118,321,432.38 - Step 6: Final answer
x = 146,506,465.03
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.