Finding the Fourth Proportional to 98,277,024.36, 135,626,395.50 and 54,226,880.76
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Solution
The fourth proportional to 98,277,024.36, 135,626,395.50 and 54,226,880.76 is: 74,835,358.77
Step by Step Solution
- Step 1: Write the proportion equation
98,277,024.36 : 135,626,395.50 = 54,226,880.76 : x - Step 2: Convert to fraction form
98,277,024.36/135,626,395.50 = 54,226,880.76/x - Step 3: Cross multiply
98,277,024.36x = 135,626,395.50 × 54,226,880.76 - Step 4: Simplify right side
98,277,024.36x = 7,354,596,376,687,100 - Step 5: Solve for x
x = 7,354,596,376,687,100/98,277,024.36 - Step 6: Final answer
x = 74,835,358.77
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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.