Finding the Fourth Proportional to 202,464,875.40, 279,400,136.62 and 109,643,259.12
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Solution
The fourth proportional to 202,464,875.40, 279,400,136.62 and 109,643,259.12 is: 151,306,944.07
Step by Step Solution
- Step 1: Write the proportion equation
202,464,875.40 : 279,400,136.62 = 109,643,259.12 : x - Step 2: Convert to fraction form
202,464,875.40/279,400,136.62 = 109,643,259.12/x - Step 3: Cross multiply
202,464,875.40x = 279,400,136.62 × 109,643,259.12 - Step 4: Simplify right side
202,464,875.40x = 30,634,341,577,590,064 - Step 5: Solve for x
x = 30,634,341,577,590,064/202,464,875.40 - Step 6: Final answer
x = 151,306,944.07
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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.