Finding the Fourth Proportional to 208,018,535.93, 287,070,226.40 and 118,708,701.99
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Solution
The fourth proportional to 208,018,535.93, 287,070,226.40 and 118,708,701.99 is: 163,820,660.51
Step by Step Solution
- Step 1: Write the proportion equation
208,018,535.93 : 287,070,226.40 = 118,708,701.99 : x - Step 2: Convert to fraction form
208,018,535.93/287,070,226.40 = 118,708,701.99/x - Step 3: Cross multiply
208,018,535.93x = 287,070,226.40 × 118,708,701.99 - Step 4: Simplify right side
208,018,535.93x = 34,077,733,955,325,884 - Step 5: Solve for x
x = 34,077,733,955,325,884/208,018,535.93 - Step 6: Final answer
x = 163,820,660.51
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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.