Finding the Fourth Proportional to 135,448,246.44, 186,915,400.76 and 79,697,277.90
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Solution
The fourth proportional to 135,448,246.44, 186,915,400.76 and 79,697,277.90 is: 109,980,372.79
Step by Step Solution
- Step 1: Write the proportion equation
135,448,246.44 : 186,915,400.76 = 79,697,277.90 : x - Step 2: Convert to fraction form
135,448,246.44/186,915,400.76 = 79,697,277.90/x - Step 3: Cross multiply
135,448,246.44x = 186,915,400.76 × 79,697,277.90 - Step 4: Simplify right side
135,448,246.44x = 14,896,648,637,761,106 - Step 5: Solve for x
x = 14,896,648,637,761,106/135,448,246.44 - Step 6: Final answer
x = 109,980,372.79
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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.