Finding the Fourth Proportional to 74,727,389.97, 103,111,026.86 and 43,358,247.65
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Solution
The fourth proportional to 74,727,389.97, 103,111,026.86 and 43,358,247.65 is: 59,826,971.60
Step by Step Solution
- Step 1: Write the proportion equation
74,727,389.97 : 103,111,026.86 = 43,358,247.65 : x - Step 2: Convert to fraction form
74,727,389.97/103,111,026.86 = 43,358,247.65/x - Step 3: Cross multiply
74,727,389.97x = 103,111,026.86 × 43,358,247.65 - Step 4: Simplify right side
74,727,389.97x = 4,470,713,437,526,127 - Step 5: Solve for x
x = 4,470,713,437,526,127/74,727,389.97 - Step 6: Final answer
x = 59,826,971.60
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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.