Finding the Fourth Proportional to 47,130,851.64, 65,038,943.84 and 25,935,655.98
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Solution
The fourth proportional to 47,130,851.64, 65,038,943.84 and 25,935,655.98 is: 35,790,307.50
Step by Step Solution
- Step 1: Write the proportion equation
47,130,851.64 : 65,038,943.84 = 25,935,655.98 : x - Step 2: Convert to fraction form
47,130,851.64/65,038,943.84 = 25,935,655.98/x - Step 3: Cross multiply
47,130,851.64x = 65,038,943.84 × 25,935,655.98 - Step 4: Simplify right side
47,130,851.64x = 1,686,827,672,736,780.25 - Step 5: Solve for x
x = 1,686,827,672,736,780.25/47,130,851.64 - Step 6: Final answer
x = 35,790,307.50
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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.