Finding the Fourth Proportional to 94,731,994.05, 130,730,354.39 and 53,478,886.42
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Solution
The fourth proportional to 94,731,994.05, 130,730,354.39 and 53,478,886.42 is: 73,800,977.64
Step by Step Solution
- Step 1: Write the proportion equation
94,731,994.05 : 130,730,354.39 = 53,478,886.42 : x - Step 2: Convert to fraction form
94,731,994.05/130,730,354.39 = 53,478,886.42/x - Step 3: Cross multiply
94,731,994.05x = 130,730,354.39 × 53,478,886.42 - Step 4: Simplify right side
94,731,994.05x = 6,991,313,774,329,136 - Step 5: Solve for x
x = 6,991,313,774,329,136/94,731,994.05 - Step 6: Final answer
x = 73,800,977.64
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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.