Finding the Fourth Proportional to 135,448,248.06, 186,915,403.02 and 79,697,279.50
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Solution
The fourth proportional to 135,448,248.06, 186,915,403.02 and 79,697,279.50 is: 109,980,375.02
Step by Step Solution
- Step 1: Write the proportion equation
135,448,248.06 : 186,915,403.02 = 79,697,279.50 : x - Step 2: Convert to fraction form
135,448,248.06/186,915,403.02 = 79,697,279.50/x - Step 3: Cross multiply
135,448,248.06x = 186,915,403.02 × 79,697,279.50 - Step 4: Simplify right side
135,448,248.06x = 14,896,649,117,340,084 - Step 5: Solve for x
x = 14,896,649,117,340,084/135,448,248.06 - Step 6: Final answer
x = 109,980,375.02
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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.