Finding the Fourth Proportional to 65,049,551.28, 89,768,129.08 and 40,264,798
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Solution
The fourth proportional to 65,049,551.28, 89,768,129.08 and 40,264,798 is: 55,565,265.45
Step by Step Solution
- Step 1: Write the proportion equation
65,049,551.28 : 89,768,129.08 = 40,264,798 : x - Step 2: Convert to fraction form
65,049,551.28/89,768,129.08 = 40,264,798/x - Step 3: Cross multiply
65,049,551.28x = 89,768,129.08 × 40,264,798 - Step 4: Simplify right side
65,049,551.28x = 3,614,495,584,244,126 - Step 5: Solve for x
x = 3,614,495,584,244,126/65,049,551.28 - Step 6: Final answer
x = 55,565,265.45
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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.