Finding the Fourth Proportional to 240,155,138.84, 331,414,375.05 and 130,146,851.84
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Solution
The fourth proportional to 240,155,138.84, 331,414,375.05 and 130,146,851.84 is: 179,602,809.15
Step by Step Solution
- Step 1: Write the proportion equation
240,155,138.84 : 331,414,375.05 = 130,146,851.84 : x - Step 2: Convert to fraction form
240,155,138.84/331,414,375.05 = 130,146,851.84/x - Step 3: Cross multiply
240,155,138.84x = 331,414,375.05 × 130,146,851.84 - Step 4: Simplify right side
240,155,138.84x = 43,132,537,565,621,472 - Step 5: Solve for x
x = 43,132,537,565,621,472/240,155,138.84 - Step 6: Final answer
x = 179,602,809.15
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.