Finding the Fourth Proportional to 144,586,008, 199,528,927.36 and 78,506,634.08
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Solution
The fourth proportional to 144,586,008, 199,528,927.36 and 78,506,634.08 is: 108,339,283.35
Step by Step Solution
- Step 1: Write the proportion equation
144,586,008 : 199,528,927.36 = 78,506,634.08 : x - Step 2: Convert to fraction form
144,586,008/199,528,927.36 = 78,506,634.08/x - Step 3: Cross multiply
144,586,008x = 199,528,927.36 × 78,506,634.08 - Step 4: Simplify right side
144,586,008x = 15,664,344,488,626,422 - Step 5: Solve for x
x = 15,664,344,488,626,422/144,586,008 - Step 6: Final answer
x = 108,339,283.35
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1.5x scale
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.