Finding the Fourth Proportional to 67,980,187.08, 93,812,671.52 and 37,040,356.28
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Solution
The fourth proportional to 67,980,187.08, 93,812,671.52 and 37,040,356.28 is: 51,115,698.94
Step by Step Solution
- Step 1: Write the proportion equation
67,980,187.08 : 93,812,671.52 = 37,040,356.28 : x - Step 2: Convert to fraction form
67,980,187.08/93,812,671.52 = 37,040,356.28/x - Step 3: Cross multiply
67,980,187.08x = 93,812,671.52 × 37,040,356.28 - Step 4: Simplify right side
67,980,187.08x = 3,474,854,776,679,409 - Step 5: Solve for x
x = 3,474,854,776,679,409/67,980,187.08 - Step 6: Final answer
x = 51,115,698.94
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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.