Finding the Fourth Proportional to 98,648,631.10, 138,334,831.70 and 98,648,631.10
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Solution
The fourth proportional to 98,648,631.10, 138,334,831.70 and 98,648,631.10 is: 138,334,831.70
Step by Step Solution
- Step 1: Write the proportion equation
98,648,631.10 : 138,334,831.70 = 98,648,631.10 : x - Step 2: Convert to fraction form
98,648,631.10/138,334,831.70 = 98,648,631.10/x - Step 3: Cross multiply
98,648,631.10x = 138,334,831.70 × 98,648,631.10 - Step 4: Simplify right side
98,648,631.10x = 13,646,541,780,653,884 - Step 5: Solve for x
x = 13,646,541,780,653,884/98,648,631.10 - Step 6: Final answer
x = 138,334,831.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.