Finding the Fourth Proportional to 170,878,457.56, 235,813,403.62 and 92,562,011.08
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Solution
The fourth proportional to 170,878,457.56, 235,813,403.62 and 92,562,011.08 is: 127,736,188.58
Step by Step Solution
- Step 1: Write the proportion equation
170,878,457.56 : 235,813,403.62 = 92,562,011.08 : x - Step 2: Convert to fraction form
170,878,457.56/235,813,403.62 = 92,562,011.08/x - Step 3: Cross multiply
170,878,457.56x = 235,813,403.62 × 92,562,011.08 - Step 4: Simplify right side
170,878,457.56x = 21,827,362,878,686,952 - Step 5: Solve for x
x = 21,827,362,878,686,952/170,878,457.56 - Step 6: Final answer
x = 127,736,188.58
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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.