Finding the Fourth Proportional to 170,878,477.79, 235,813,431.66 and 92,562,031.28
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Solution
The fourth proportional to 170,878,477.79, 235,813,431.66 and 92,562,031.28 is: 127,736,216.52
Step by Step Solution
- Step 1: Write the proportion equation
170,878,477.79 : 235,813,431.66 = 92,562,031.28 : x - Step 2: Convert to fraction form
170,878,477.79/235,813,431.66 = 92,562,031.28/x - Step 3: Cross multiply
170,878,477.79x = 235,813,431.66 × 92,562,031.28 - Step 4: Simplify right side
170,878,477.79x = 21,827,370,237,557,064 - Step 5: Solve for x
x = 21,827,370,237,557,064/170,878,477.79 - Step 6: Final answer
x = 127,736,216.52
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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.