Finding the Fourth Proportional to 86,785,701,106.84, 130,178,990,468.20 and 27,089,359,221.72
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Solution
The fourth proportional to 86,785,701,106.84, 130,178,990,468.20 and 27,089,359,221.72 is: 40,634,175,802.45
Step by Step Solution
- Step 1: Write the proportion equation
86,785,701,106.84 : 130,178,990,468.20 = 27,089,359,221.72 : x - Step 2: Convert to fraction form
86,785,701,106.84/130,178,990,468.20 = 27,089,359,221.72/x - Step 3: Cross multiply
86,785,701,106.84x = 130,178,990,468.20 × 27,089,359,221.72 - Step 4: Simplify right side
86,785,701,106.84x = 3,526,465,435,913,933,553,664 - Step 5: Solve for x
x = 3,526,465,435,913,933,553,664/86,785,701,106.84 - Step 6: Final answer
x = 40,634,175,802.45
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1.5x scale
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.