Finding the Fourth Proportional to 119,426,672.77, 164,803,507.20 and 66,506,110.09
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Solution
The fourth proportional to 119,426,672.77, 164,803,507.20 and 66,506,110.09 is: 91,775,479.79
Step by Step Solution
- Step 1: Write the proportion equation
119,426,672.77 : 164,803,507.20 = 66,506,110.09 : x - Step 2: Convert to fraction form
119,426,672.77/164,803,507.20 = 66,506,110.09/x - Step 3: Cross multiply
119,426,672.77x = 164,803,507.20 × 66,506,110.09 - Step 4: Simplify right side
119,426,672.77x = 10,960,440,192,649,298 - Step 5: Solve for x
x = 10,960,440,192,649,298/119,426,672.77 - Step 6: Final answer
x = 91,775,479.79
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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.