Finding the Fourth Proportional to 126,249,728.04, 189,207,177.20 and 64,836,406.08
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Solution
The fourth proportional to 126,249,728.04, 189,207,177.20 and 64,836,406.08 is: 97,168,632.08
Step by Step Solution
- Step 1: Write the proportion equation
126,249,728.04 : 189,207,177.20 = 64,836,406.08 : x - Step 2: Convert to fraction form
126,249,728.04/189,207,177.20 = 64,836,406.08/x - Step 3: Cross multiply
126,249,728.04x = 189,207,177.20 × 64,836,406.08 - Step 4: Simplify right side
126,249,728.04x = 12,267,513,374,189,716 - Step 5: Solve for x
x = 12,267,513,374,189,716/126,249,728.04 - Step 6: Final answer
x = 97,168,632.08
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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.