Finding the Fourth Proportional to 54,303,702.84, 74,934,670.86 and 31,973,156.28
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Solution
The fourth proportional to 54,303,702.84, 74,934,670.86 and 31,973,156.28 is: 44,120,342.02
Step by Step Solution
- Step 1: Write the proportion equation
54,303,702.84 : 74,934,670.86 = 31,973,156.28 : x - Step 2: Convert to fraction form
54,303,702.84/74,934,670.86 = 31,973,156.28/x - Step 3: Cross multiply
54,303,702.84x = 74,934,670.86 × 31,973,156.28 - Step 4: Simplify right side
54,303,702.84x = 2,395,897,942,197,142 - Step 5: Solve for x
x = 2,395,897,942,197,142/54,303,702.84 - Step 6: Final answer
x = 44,120,342.02
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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.