Finding the Fourth Proportional to 97,123,886.70, 145,685,830.05 and 25,320,302.70
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Solution
The fourth proportional to 97,123,886.70, 145,685,830.05 and 25,320,302.70 is: 37,980,454.05
Step by Step Solution
- Step 1: Write the proportion equation
97,123,886.70 : 145,685,830.05 = 25,320,302.70 : x - Step 2: Convert to fraction form
97,123,886.70/145,685,830.05 = 25,320,302.70/x - Step 3: Cross multiply
97,123,886.70x = 145,685,830.05 × 25,320,302.70 - Step 4: Simplify right side
97,123,886.70x = 3,688,809,315,966,756.50 - Step 5: Solve for x
x = 3,688,809,315,966,756.50/97,123,886.70 - Step 6: Final answer
x = 37,980,454.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.