Finding the Fourth Proportional to 97,787,355.20, 146,681,032.80 and 97,787,355.20
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Solution
The fourth proportional to 97,787,355.20, 146,681,032.80 and 97,787,355.20 is: 146,681,032.80
Step by Step Solution
- Step 1: Write the proportion equation
97,787,355.20 : 146,681,032.80 = 97,787,355.20 : x - Step 2: Convert to fraction form
97,787,355.20/146,681,032.80 = 97,787,355.20/x - Step 3: Cross multiply
97,787,355.20x = 146,681,032.80 × 97,787,355.20 - Step 4: Simplify right side
97,787,355.20x = 14,343,550,255,516,452 - Step 5: Solve for x
x = 14,343,550,255,516,452/97,787,355.20 - Step 6: Final answer
x = 146,681,032.80
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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.