Finding the Fourth Proportional to 54,421,598.76, 75,101,802.12 and 29,975,312.76
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Solution
The fourth proportional to 54,421,598.76, 75,101,802.12 and 29,975,312.76 is: 41,365,929.31
Step by Step Solution
- Step 1: Write the proportion equation
54,421,598.76 : 75,101,802.12 = 29,975,312.76 : x - Step 2: Convert to fraction form
54,421,598.76/75,101,802.12 = 29,975,312.76/x - Step 3: Cross multiply
54,421,598.76x = 75,101,802.12 × 29,975,312.76 - Step 4: Simplify right side
54,421,598.76x = 2,251,200,007,386,631.25 - Step 5: Solve for x
x = 2,251,200,007,386,631.25/54,421,598.76 - Step 6: Final answer
x = 41,365,929.31
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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.