Finding the Fourth Proportional to 122,480,805.60, 183,717,271.80 and 40,603,462.20
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Solution
The fourth proportional to 122,480,805.60, 183,717,271.80 and 40,603,462.20 is: 60,903,888.28
Step by Step Solution
- Step 1: Write the proportion equation
122,480,805.60 : 183,717,271.80 = 40,603,462.20 : x - Step 2: Convert to fraction form
122,480,805.60/183,717,271.80 = 40,603,462.20/x - Step 3: Cross multiply
122,480,805.60x = 183,717,271.80 × 40,603,462.20 - Step 4: Simplify right side
122,480,805.60x = 7,459,557,301,018,427 - Step 5: Solve for x
x = 7,459,557,301,018,427/122,480,805.60 - Step 6: Final answer
x = 60,903,888.28
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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.