Finding the Fourth Proportional to 64,454,036.20, 96,539,336.70 and 55,950,980.20
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Solution
The fourth proportional to 64,454,036.20, 96,539,336.70 and 55,950,980.20 is: 83,803,448.70
Step by Step Solution
- Step 1: Write the proportion equation
64,454,036.20 : 96,539,336.70 = 55,950,980.20 : x - Step 2: Convert to fraction form
64,454,036.20/96,539,336.70 = 55,950,980.20/x - Step 3: Cross multiply
64,454,036.20x = 96,539,336.70 × 55,950,980.20 - Step 4: Simplify right side
64,454,036.20x = 5,401,470,516,222,834 - Step 5: Solve for x
x = 5,401,470,516,222,834/64,454,036.20 - Step 6: Final answer
x = 83,803,448.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.