Finding the Fourth Proportional to 70,484,014.36, 105,588,634.20 and 39,684,449.62
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Solution
The fourth proportional to 70,484,014.36, 105,588,634.20 and 39,684,449.62 is: 59,449,321.56
Step by Step Solution
- Step 1: Write the proportion equation
70,484,014.36 : 105,588,634.20 = 39,684,449.62 : x - Step 2: Convert to fraction form
70,484,014.36/105,588,634.20 = 39,684,449.62/x - Step 3: Cross multiply
70,484,014.36x = 105,588,634.20 × 39,684,449.62 - Step 4: Simplify right side
70,484,014.36x = 4,190,226,834,354,509 - Step 5: Solve for x
x = 4,190,226,834,354,509/70,484,014.36 - Step 6: Final answer
x = 59,449,321.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.