Finding the Fourth Proportional to 93,330,228.69, 128,844,141.75 and 68,184,136.71
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Solution
The fourth proportional to 93,330,228.69, 128,844,141.75 and 68,184,136.71 is: 94,129,487.29
Step by Step Solution
- Step 1: Write the proportion equation
93,330,228.69 : 128,844,141.75 = 68,184,136.71 : x - Step 2: Convert to fraction form
93,330,228.69/128,844,141.75 = 68,184,136.71/x - Step 3: Cross multiply
93,330,228.69x = 128,844,141.75 × 68,184,136.71 - Step 4: Simplify right side
93,330,228.69x = 8,785,126,575,364,618 - Step 5: Solve for x
x = 8,785,126,575,364,618/93,330,228.69 - Step 6: Final answer
x = 94,129,487.29
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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.