Finding the Fourth Proportional to 149,730,415.60, 224,595,623.40 and 143,778,276.40
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Solution
The fourth proportional to 149,730,415.60, 224,595,623.40 and 143,778,276.40 is: 215,667,414.60
Step by Step Solution
- Step 1: Write the proportion equation
149,730,415.60 : 224,595,623.40 = 143,778,276.40 : x - Step 2: Convert to fraction form
149,730,415.60/224,595,623.40 = 143,778,276.40/x - Step 3: Cross multiply
149,730,415.60x = 224,595,623.40 × 143,778,276.40 - Step 4: Simplify right side
149,730,415.60x = 32,291,971,619,435,508 - Step 5: Solve for x
x = 32,291,971,619,435,508/149,730,415.60 - Step 6: Final answer
x = 215,667,414.60
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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.