Finding the Fourth Proportional to 173,878,889.40, 260,818,334.10 and 130,513,303.80
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Solution
The fourth proportional to 173,878,889.40, 260,818,334.10 and 130,513,303.80 is: 195,769,955.70
Step by Step Solution
- Step 1: Write the proportion equation
173,878,889.40 : 260,818,334.10 = 130,513,303.80 : x - Step 2: Convert to fraction form
173,878,889.40/260,818,334.10 = 130,513,303.80/x - Step 3: Cross multiply
173,878,889.40x = 260,818,334.10 × 130,513,303.80 - Step 4: Simplify right side
173,878,889.40x = 34,040,262,475,003,200 - Step 5: Solve for x
x = 34,040,262,475,003,200/173,878,889.40 - Step 6: Final answer
x = 195,769,955.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.