Finding the Fourth Proportional to 63,134,801.44, 87,101,937.62 and 38,345,637.58
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Solution
The fourth proportional to 63,134,801.44, 87,101,937.62 and 38,345,637.58 is: 52,902,349.52
Step by Step Solution
- Step 1: Write the proportion equation
63,134,801.44 : 87,101,937.62 = 38,345,637.58 : x - Step 2: Convert to fraction form
63,134,801.44/87,101,937.62 = 38,345,637.58/x - Step 3: Cross multiply
63,134,801.44x = 87,101,937.62 × 38,345,637.58 - Step 4: Simplify right side
63,134,801.44x = 3,339,979,332,492,288 - Step 5: Solve for x
x = 3,339,979,332,492,288/63,134,801.44 - Step 6: Final answer
x = 52,902,349.52
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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.