Finding the Fourth Proportional to 110,934,394.02, 153,138,498.78 and 66,296,117.94
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Solution
The fourth proportional to 110,934,394.02, 153,138,498.78 and 66,296,117.94 is: 91,517,946.85
Step by Step Solution
- Step 1: Write the proportion equation
110,934,394.02 : 153,138,498.78 = 66,296,117.94 : x - Step 2: Convert to fraction form
110,934,394.02/153,138,498.78 = 66,296,117.94/x - Step 3: Cross multiply
110,934,394.02x = 153,138,498.78 × 66,296,117.94 - Step 4: Simplify right side
110,934,394.02x = 10,152,487,976,249,634 - Step 5: Solve for x
x = 10,152,487,976,249,634/110,934,394.02 - Step 6: Final answer
x = 91,517,946.85
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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.