Finding the Fourth Proportional to 148,338,639.70, 222,602,437.95 and 86,927,679.70
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Solution
The fourth proportional to 148,338,639.70, 222,602,437.95 and 86,927,679.70 is: 130,446,884.68
Step by Step Solution
- Step 1: Write the proportion equation
148,338,639.70 : 222,602,437.95 = 86,927,679.70 : x - Step 2: Convert to fraction form
148,338,639.70/222,602,437.95 = 86,927,679.70/x - Step 3: Cross multiply
148,338,639.70x = 222,602,437.95 × 86,927,679.70 - Step 4: Simplify right side
148,338,639.70x = 19,350,313,426,556,724 - Step 5: Solve for x
x = 19,350,313,426,556,724/148,338,639.70 - Step 6: Final answer
x = 130,446,884.68
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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.