Finding the Fourth Proportional to 66,257,143.34, 99,292,688.55 and 52,363,015.70
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Solution
The fourth proportional to 66,257,143.34, 99,292,688.55 and 52,363,015.70 is: 78,471,004.75
Step by Step Solution
- Step 1: Write the proportion equation
66,257,143.34 : 99,292,688.55 = 52,363,015.70 : x - Step 2: Convert to fraction form
66,257,143.34/99,292,688.55 = 52,363,015.70/x - Step 3: Cross multiply
66,257,143.34x = 99,292,688.55 × 52,363,015.70 - Step 4: Simplify right side
66,257,143.34x = 5,199,264,609,438,860 - Step 5: Solve for x
x = 5,199,264,609,438,860/66,257,143.34 - Step 6: Final answer
x = 78,471,004.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.