Finding the Fourth Proportional to 130,136,533.40, 193,852,233.33 and 123,087,913.09
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Solution
The fourth proportional to 130,136,533.40, 193,852,233.33 and 123,087,913.09 is: 183,352,562.31
Step by Step Solution
- Step 1: Write the proportion equation
130,136,533.40 : 193,852,233.33 = 123,087,913.09 : x - Step 2: Convert to fraction form
130,136,533.40/193,852,233.33 = 123,087,913.09/x - Step 3: Cross multiply
130,136,533.40x = 193,852,233.33 × 123,087,913.09 - Step 4: Simplify right side
130,136,533.40x = 23,860,866,849,262,372 - Step 5: Solve for x
x = 23,860,866,849,262,372/130,136,533.40 - Step 6: Final answer
x = 183,352,562.31
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.