Finding the Fourth Proportional to 86,851,408.36, 130,281,302.16 and 28,557,795.68
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Solution
The fourth proportional to 86,851,408.36, 130,281,302.16 and 28,557,795.68 is: 42,838,071.12
Step by Step Solution
- Step 1: Write the proportion equation
86,851,408.36 : 130,281,302.16 = 28,557,795.68 : x - Step 2: Convert to fraction form
86,851,408.36/130,281,302.16 = 28,557,795.68/x - Step 3: Cross multiply
86,851,408.36x = 130,281,302.16 × 28,557,795.68 - Step 4: Simplify right side
86,851,408.36x = 3,720,546,808,009,622.50 - Step 5: Solve for x
x = 3,720,546,808,009,622.50/86,851,408.36 - Step 6: Final answer
x = 42,838,071.12
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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.