Finding the Fourth Proportional to 97,811,931.60, 146,717,897.40 and 63,374,554.80
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Solution
The fourth proportional to 97,811,931.60, 146,717,897.40 and 63,374,554.80 is: 95,061,832.20
Step by Step Solution
- Step 1: Write the proportion equation
97,811,931.60 : 146,717,897.40 = 63,374,554.80 : x - Step 2: Convert to fraction form
97,811,931.60/146,717,897.40 = 63,374,554.80/x - Step 3: Cross multiply
97,811,931.60x = 146,717,897.40 × 63,374,554.80 - Step 4: Simplify right side
97,811,931.60x = 9,298,181,428,917,078 - Step 5: Solve for x
x = 9,298,181,428,917,078/97,811,931.60 - Step 6: Final answer
x = 95,061,832.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.