Finding the Fourth Proportional to 69,580,995.74, 96,038,497.49 and 39,828,890.67
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Solution
The fourth proportional to 69,580,995.74, 96,038,497.49 and 39,828,890.67 is: 54,973,441.76
Step by Step Solution
- Step 1: Write the proportion equation
69,580,995.74 : 96,038,497.49 = 39,828,890.67 : x - Step 2: Convert to fraction form
69,580,995.74/96,038,497.49 = 39,828,890.67/x - Step 3: Cross multiply
69,580,995.74x = 96,038,497.49 × 39,828,890.67 - Step 4: Simplify right side
69,580,995.74x = 3,825,106,816,441,135 - Step 5: Solve for x
x = 3,825,106,816,441,135/69,580,995.74 - Step 6: Final answer
x = 54,973,441.76
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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.