Finding the Fourth Proportional to 98,153,774.68, 135,444,244.38 and 56,903,324.26
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Solution
The fourth proportional to 98,153,774.68, 135,444,244.38 and 56,903,324.26 is: 78,521,970.06
Step by Step Solution
- Step 1: Write the proportion equation
98,153,774.68 : 135,444,244.38 = 56,903,324.26 : x - Step 2: Convert to fraction form
98,153,774.68/135,444,244.38 = 56,903,324.26/x - Step 3: Cross multiply
98,153,774.68x = 135,444,244.38 × 56,903,324.26 - Step 4: Simplify right side
98,153,774.68x = 7,707,227,757,105,822 - Step 5: Solve for x
x = 7,707,227,757,105,822/98,153,774.68 - Step 6: Final answer
x = 78,521,970.06
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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.