Finding the Fourth Proportional to 139,807,718.28, 193,017,412.08 and 124,294,955.49
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Solution
The fourth proportional to 139,807,718.28, 193,017,412.08 and 124,294,955.49 is: 171,600,616.46
Step by Step Solution
- Step 1: Write the proportion equation
139,807,718.28 : 193,017,412.08 = 124,294,955.49 : x - Step 2: Convert to fraction form
139,807,718.28/193,017,412.08 = 124,294,955.49/x - Step 3: Cross multiply
139,807,718.28x = 193,017,412.08 × 124,294,955.49 - Step 4: Simplify right side
139,807,718.28x = 23,991,090,643,278,588 - Step 5: Solve for x
x = 23,991,090,643,278,588/139,807,718.28 - Step 6: Final answer
x = 171,600,616.46
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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.