Finding the Fourth Proportional to 156,732,968.26, 216,291,634.62 and 86,169,779.14
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Solution
The fourth proportional to 156,732,968.26, 216,291,634.62 and 86,169,779.14 is: 118,914,371.32
Step by Step Solution
- Step 1: Write the proportion equation
156,732,968.26 : 216,291,634.62 = 86,169,779.14 : x - Step 2: Convert to fraction form
156,732,968.26/216,291,634.62 = 86,169,779.14/x - Step 3: Cross multiply
156,732,968.26x = 216,291,634.62 × 86,169,779.14 - Step 4: Simplify right side
156,732,968.26x = 18,637,802,385,034,980 - Step 5: Solve for x
x = 18,637,802,385,034,980/156,732,968.26 - Step 6: Final answer
x = 118,914,371.32
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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.