Finding the Fourth Proportional to 127,968,468,569.74, 176,594,322,373.68 and 70,874,553,239.52
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Solution
The fourth proportional to 127,968,468,569.74, 176,594,322,373.68 and 70,874,553,239.52 is: 97,805,684,812.50
Step by Step Solution
- Step 1: Write the proportion equation
127,968,468,569.74 : 176,594,322,373.68 = 70,874,553,239.52 : x - Step 2: Convert to fraction form
127,968,468,569.74/176,594,322,373.68 = 70,874,553,239.52/x - Step 3: Cross multiply
127,968,468,569.74x = 176,594,322,373.68 × 70,874,553,239.52 - Step 4: Simplify right side
127,968,468,569.74x = 12,516,043,702,870,340,534,272 - Step 5: Solve for x
x = 12,516,043,702,870,340,534,272/127,968,468,569.74 - Step 6: Final answer
x = 97,805,684,812.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.