Finding the Fourth Proportional to 240,155,156.16, 331,414,398.84 and 130,146,869.16
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Solution
The fourth proportional to 240,155,156.16, 331,414,398.84 and 130,146,869.16 is: 179,602,832.99
Step by Step Solution
- Step 1: Write the proportion equation
240,155,156.16 : 331,414,398.84 = 130,146,869.16 : x - Step 2: Convert to fraction form
240,155,156.16/331,414,398.84 = 130,146,869.16/x - Step 3: Cross multiply
240,155,156.16x = 331,414,398.84 × 130,146,869.16 - Step 4: Simplify right side
240,155,156.16x = 43,132,546,403,569,528 - Step 5: Solve for x
x = 43,132,546,403,569,528/240,155,156.16 - Step 6: Final answer
x = 179,602,832.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.