Finding the Fourth Proportional to 126,249,724.41, 189,207,171.76 and 64,836,402.45
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Solution
The fourth proportional to 126,249,724.41, 189,207,171.76 and 64,836,402.45 is: 97,168,626.64
Step by Step Solution
- Step 1: Write the proportion equation
126,249,724.41 : 189,207,171.76 = 64,836,402.45 : x - Step 2: Convert to fraction form
126,249,724.41/189,207,171.76 = 64,836,402.45/x - Step 3: Cross multiply
126,249,724.41x = 189,207,171.76 × 64,836,402.45 - Step 4: Simplify right side
126,249,724.41x = 12,267,512,334,657,634 - Step 5: Solve for x
x = 12,267,512,334,657,634/126,249,724.41 - Step 6: Final answer
x = 97,168,626.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.