Finding the Fourth Proportional to 97,806,155.60, 146,709,233.40 and 90,415,845.20
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Solution
The fourth proportional to 97,806,155.60, 146,709,233.40 and 90,415,845.20 is: 135,623,767.80
Step by Step Solution
- Step 1: Write the proportion equation
97,806,155.60 : 146,709,233.40 = 90,415,845.20 : x - Step 2: Convert to fraction form
97,806,155.60/146,709,233.40 = 90,415,845.20/x - Step 3: Cross multiply
97,806,155.60x = 146,709,233.40 × 90,415,845.20 - Step 4: Simplify right side
97,806,155.60x = 13,264,839,336,505,070 - Step 5: Solve for x
x = 13,264,839,336,505,070/97,806,155.60 - Step 6: Final answer
x = 135,623,767.80
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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.