Finding the Fourth Proportional to 66,430,237.80, 99,645,356.70 and 62,178,709.80
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Solution
The fourth proportional to 66,430,237.80, 99,645,356.70 and 62,178,709.80 is: 93,268,064.70
Step by Step Solution
- Step 1: Write the proportion equation
66,430,237.80 : 99,645,356.70 = 62,178,709.80 : x - Step 2: Convert to fraction form
66,430,237.80/99,645,356.70 = 62,178,709.80/x - Step 3: Cross multiply
66,430,237.80x = 99,645,356.70 × 62,178,709.80 - Step 4: Simplify right side
66,430,237.80x = 6,195,819,717,166,786 - Step 5: Solve for x
x = 6,195,819,717,166,786/66,430,237.80 - Step 6: Final answer
x = 93,268,064.70
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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.