Finding the Fourth Proportional to 87,173,135,715.36, 130,759,705,303.20 and 20,924,232,106.08
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Solution
The fourth proportional to 87,173,135,715.36, 130,759,705,303.20 and 20,924,232,106.08 is: 31,386,348,574.41
Step by Step Solution
- Step 1: Write the proportion equation
87,173,135,715.36 : 130,759,705,303.20 = 20,924,232,106.08 : x - Step 2: Convert to fraction form
87,173,135,715.36/130,759,705,303.20 = 20,924,232,106.08/x - Step 3: Cross multiply
87,173,135,715.36x = 130,759,705,303.20 × 20,924,232,106.08 - Step 4: Simplify right side
87,173,135,715.36x = 2,736,046,423,886,777,024,512 - Step 5: Solve for x
x = 2,736,046,423,886,777,024,512/87,173,135,715.36 - Step 6: Final answer
x = 31,386,348,574.41
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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.