Finding the Fourth Proportional to 79,918,208.71, 110,286,722.55 and 43,248,779.71
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Solution
The fourth proportional to 79,918,208.71, 110,286,722.55 and 43,248,779.71 is: 59,683,096.57
Step by Step Solution
- Step 1: Write the proportion equation
79,918,208.71 : 110,286,722.55 = 43,248,779.71 : x - Step 2: Convert to fraction form
79,918,208.71/110,286,722.55 = 43,248,779.71/x - Step 3: Cross multiply
79,918,208.71x = 110,286,722.55 × 43,248,779.71 - Step 4: Simplify right side
79,918,208.71x = 4,769,766,168,502,839 - Step 5: Solve for x
x = 4,769,766,168,502,839/79,918,208.71 - Step 6: Final answer
x = 59,683,096.57
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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.