Finding the Fourth Proportional to 86,297,887.60, 129,446,831.40 and 22,472,479.60
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Solution
The fourth proportional to 86,297,887.60, 129,446,831.40 and 22,472,479.60 is: 33,708,719.40
Step by Step Solution
- Step 1: Write the proportion equation
86,297,887.60 : 129,446,831.40 = 22,472,479.60 : x - Step 2: Convert to fraction form
86,297,887.60/129,446,831.40 = 22,472,479.60/x - Step 3: Cross multiply
86,297,887.60x = 129,446,831.40 × 22,472,479.60 - Step 4: Simplify right side
86,297,887.60x = 2,908,991,277,921,140 - Step 5: Solve for x
x = 2,908,991,277,921,140/86,297,887.60 - Step 6: Final answer
x = 33,708,719.40
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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.