Finding the Fourth Proportional to 70,484,013.36, 105,588,632.70 and 39,684,448.62
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Solution
The fourth proportional to 70,484,013.36, 105,588,632.70 and 39,684,448.62 is: 59,449,320.06
Step by Step Solution
- Step 1: Write the proportion equation
70,484,013.36 : 105,588,632.70 = 39,684,448.62 : x - Step 2: Convert to fraction form
70,484,013.36/105,588,632.70 = 39,684,448.62/x - Step 3: Cross multiply
70,484,013.36x = 105,588,632.70 × 39,684,448.62 - Step 4: Simplify right side
70,484,013.36x = 4,190,226,669,239,201.50 - Step 5: Solve for x
x = 4,190,226,669,239,201.50/70,484,013.36 - Step 6: Final answer
x = 59,449,320.06
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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.