Finding the Fourth Proportional to 272,331,858.96, 375,804,864.36 and 148,565,154.96
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Solution
The fourth proportional to 272,331,858.96, 375,804,864.36 and 148,565,154.96 is: 205,012,766.86
Step by Step Solution
- Step 1: Write the proportion equation
272,331,858.96 : 375,804,864.36 = 148,565,154.96 : x - Step 2: Convert to fraction form
272,331,858.96/375,804,864.36 = 148,565,154.96/x - Step 3: Cross multiply
272,331,858.96x = 375,804,864.36 × 148,565,154.96 - Step 4: Simplify right side
272,331,858.96x = 55,831,507,908,365,184 - Step 5: Solve for x
x = 55,831,507,908,365,184/272,331,858.96 - Step 6: Final answer
x = 205,012,766.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.