Finding the Fourth Proportional to 135,448,247.07, 186,915,401.65 and 79,697,278.51
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Solution
The fourth proportional to 135,448,247.07, 186,915,401.65 and 79,697,278.51 is: 109,980,373.65
Step by Step Solution
- Step 1: Write the proportion equation
135,448,247.07 : 186,915,401.65 = 79,697,278.51 : x - Step 2: Convert to fraction form
135,448,247.07/186,915,401.65 = 79,697,278.51/x - Step 3: Cross multiply
135,448,247.07x = 186,915,401.65 × 79,697,278.51 - Step 4: Simplify right side
135,448,247.07x = 14,896,648,823,108,566 - Step 5: Solve for x
x = 14,896,648,823,108,566/135,448,247.07 - Step 6: Final answer
x = 109,980,373.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.