Finding the Fourth Proportional to 77,257,078.60, 106,624,037.64 and 46,334,259.40
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Solution
The fourth proportional to 77,257,078.60, 106,624,037.64 and 46,334,259.40 is: 63,946,837.08
Step by Step Solution
- Step 1: Write the proportion equation
77,257,078.60 : 106,624,037.64 = 46,334,259.40 : x - Step 2: Convert to fraction form
77,257,078.60/106,624,037.64 = 46,334,259.40/x - Step 3: Cross multiply
77,257,078.60x = 106,624,037.64 × 46,334,259.40 - Step 4: Simplify right side
77,257,078.60x = 4,940,345,818,287,124 - Step 5: Solve for x
x = 4,940,345,818,287,124/77,257,078.60 - Step 6: Final answer
x = 63,946,837.08
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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.