Finding the Fourth Proportional to 130,209,639.99, 196,093,918.97 and 118,587,025.32
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Solution
The fourth proportional to 130,209,639.99, 196,093,918.97 and 118,587,025.32 is: 178,590,421.84
Step by Step Solution
- Step 1: Write the proportion equation
130,209,639.99 : 196,093,918.97 = 118,587,025.32 : x - Step 2: Convert to fraction form
130,209,639.99/196,093,918.97 = 118,587,025.32/x - Step 3: Cross multiply
130,209,639.99x = 196,093,918.97 × 118,587,025.32 - Step 4: Simplify right side
130,209,639.99x = 23,254,194,533,400,484 - Step 5: Solve for x
x = 23,254,194,533,400,484/130,209,639.99 - Step 6: Final answer
x = 178,590,421.84
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.