Finding the Fourth Proportional to 97,708,831.20, 146,563,246.80 and 84,271,903.20
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Solution
The fourth proportional to 97,708,831.20, 146,563,246.80 and 84,271,903.20 is: 126,407,854.80
Step by Step Solution
- Step 1: Write the proportion equation
97,708,831.20 : 146,563,246.80 = 84,271,903.20 : x - Step 2: Convert to fraction form
97,708,831.20/146,563,246.80 = 84,271,903.20/x - Step 3: Cross multiply
97,708,831.20x = 146,563,246.80 × 84,271,903.20 - Step 4: Simplify right side
97,708,831.20x = 12,351,163,747,007,312 - Step 5: Solve for x
x = 12,351,163,747,007,312/97,708,831.20 - Step 6: Final answer
x = 126,407,854.80
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1.5x scale
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.