Finding the Fourth Proportional to 94,369,835.64, 130,270,509.90 and 63,447,929.40
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Solution
The fourth proportional to 94,369,835.64, 130,270,509.90 and 63,447,929.40 is: 87,585,127.80
Step by Step Solution
- Step 1: Write the proportion equation
94,369,835.64 : 130,270,509.90 = 63,447,929.40 : x - Step 2: Convert to fraction form
94,369,835.64/130,270,509.90 = 63,447,929.40/x - Step 3: Cross multiply
94,369,835.64x = 130,270,509.90 × 63,447,929.40 - Step 4: Simplify right side
94,369,835.64x = 8,265,394,115,037,201 - Step 5: Solve for x
x = 8,265,394,115,037,201/94,369,835.64 - Step 6: Final answer
x = 87,585,127.80
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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.