Finding the Fourth Proportional to 187,412,854.04, 280,753,177.24 and 129,110,233.40
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Solution
The fourth proportional to 187,412,854.04, 280,753,177.24 and 129,110,233.40 is: 193,413,138.21
Step by Step Solution
- Step 1: Write the proportion equation
187,412,854.04 : 280,753,177.24 = 129,110,233.40 : x - Step 2: Convert to fraction form
187,412,854.04/280,753,177.24 = 129,110,233.40/x - Step 3: Cross multiply
187,412,854.04x = 280,753,177.24 × 129,110,233.40 - Step 4: Simplify right side
187,412,854.04x = 36,248,108,241,247,968 - Step 5: Solve for x
x = 36,248,108,241,247,968/187,412,854.04 - Step 6: Final answer
x = 193,413,138.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.