Finding the Fourth Proportional to 122,911,851.60, 184,367,777.40 and 84,169,802.70
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Solution
The fourth proportional to 122,911,851.60, 184,367,777.40 and 84,169,802.70 is: 126,254,704.05
Step by Step Solution
- Step 1: Write the proportion equation
122,911,851.60 : 184,367,777.40 = 84,169,802.70 : x - Step 2: Convert to fraction form
122,911,851.60/184,367,777.40 = 84,169,802.70/x - Step 3: Cross multiply
122,911,851.60x = 184,367,777.40 × 84,169,802.70 - Step 4: Simplify right side
122,911,851.60x = 15,518,199,447,995,520 - Step 5: Solve for x
x = 15,518,199,447,995,520/122,911,851.60 - Step 6: Final answer
x = 126,254,704.05
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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.