Finding the Fourth Proportional to 217,386,962.25, 299,995,312.53 and 118,268,420.68
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Solution
The fourth proportional to 217,386,962.25, 299,995,312.53 and 118,268,420.68 is: 163,211,130.31
Step by Step Solution
- Step 1: Write the proportion equation
217,386,962.25 : 299,995,312.53 = 118,268,420.68 : x - Step 2: Convert to fraction form
217,386,962.25/299,995,312.53 = 118,268,420.68/x - Step 3: Cross multiply
217,386,962.25x = 299,995,312.53 × 118,268,420.68 - Step 4: Simplify right side
217,386,962.25x = 35,479,971,824,326,112 - Step 5: Solve for x
x = 35,479,971,824,326,112/217,386,962.25 - Step 6: Final answer
x = 163,211,130.31
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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.