Finding the Fourth Proportional to 98,424,988.52, 135,830,610.95 and 56,609,065.49
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Solution
The fourth proportional to 98,424,988.52, 135,830,610.95 and 56,609,065.49 is: 78,122,883.89
Step by Step Solution
- Step 1: Write the proportion equation
98,424,988.52 : 135,830,610.95 = 56,609,065.49 : x - Step 2: Convert to fraction form
98,424,988.52/135,830,610.95 = 56,609,065.49/x - Step 3: Cross multiply
98,424,988.52x = 135,830,610.95 × 56,609,065.49 - Step 4: Simplify right side
98,424,988.52x = 7,689,243,949,853,062 - Step 5: Solve for x
x = 7,689,243,949,853,062/98,424,988.52 - Step 6: Final answer
x = 78,122,883.89
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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.