Finding the Fourth Proportional to 98,435,466.24, 135,836,806.08 and 56,616,373.44
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Solution
The fourth proportional to 98,435,466.24, 135,836,806.08 and 56,616,373.44 is: 78,128,215.71
Step by Step Solution
- Step 1: Write the proportion equation
98,435,466.24 : 135,836,806.08 = 56,616,373.44 : x - Step 2: Convert to fraction form
98,435,466.24/135,836,806.08 = 56,616,373.44/x - Step 3: Cross multiply
98,435,466.24x = 135,836,806.08 × 56,616,373.44 - Step 4: Simplify right side
98,435,466.24x = 7,690,587,339,922,143 - Step 5: Solve for x
x = 7,690,587,339,922,143/98,435,466.24 - Step 6: Final answer
x = 78,128,215.71
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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.