Finding the Fourth Proportional to 158,291,848.24, 218,442,771.29 and 87,732,013.92
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Solution
The fourth proportional to 158,291,848.24, 218,442,771.29 and 87,732,013.92 is: 121,070,190.68
Step by Step Solution
- Step 1: Write the proportion equation
158,291,848.24 : 218,442,771.29 = 87,732,013.92 : x - Step 2: Convert to fraction form
158,291,848.24/218,442,771.29 = 87,732,013.92/x - Step 3: Cross multiply
158,291,848.24x = 218,442,771.29 × 87,732,013.92 - Step 4: Simplify right side
158,291,848.24x = 19,164,424,250,552,888 - Step 5: Solve for x
x = 19,164,424,250,552,888/158,291,848.24 - Step 6: Final answer
x = 121,070,190.68
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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.