Finding the Fourth Proportional to 65,119,919.60, 97,791,853.80 and 46,084,271.60
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Solution
The fourth proportional to 65,119,919.60, 97,791,853.80 and 46,084,271.60 is: 69,205,649.80
Step by Step Solution
- Step 1: Write the proportion equation
65,119,919.60 : 97,791,853.80 = 46,084,271.60 : x - Step 2: Convert to fraction form
65,119,919.60/97,791,853.80 = 46,084,271.60/x - Step 3: Cross multiply
65,119,919.60x = 97,791,853.80 × 46,084,271.60 - Step 4: Simplify right side
65,119,919.60x = 4,506,666,350,786,692 - Step 5: Solve for x
x = 4,506,666,350,786,692/65,119,919.60 - Step 6: Final answer
x = 69,205,649.80
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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.