Finding the Fourth Proportional to 56,248,195.84, 77,621,938.42 and 31,130,354
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Solution
The fourth proportional to 56,248,195.84, 77,621,938.42 and 31,130,354 is: 42,959,572.04
Step by Step Solution
- Step 1: Write the proportion equation
56,248,195.84 : 77,621,938.42 = 31,130,354 : x - Step 2: Convert to fraction form
56,248,195.84/77,621,938.42 = 31,130,354/x - Step 3: Cross multiply
56,248,195.84x = 77,621,938.42 × 31,130,354 - Step 4: Simplify right side
56,248,195.84x = 2,416,398,421,180,800.50 - Step 5: Solve for x
x = 2,416,398,421,180,800.50/56,248,195.84 - Step 6: Final answer
x = 42,959,572.04
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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.