Finding the Fourth Proportional to 177,865,713.08, 245,398,752.80 and 99,536,820.92
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Solution
The fourth proportional to 177,865,713.08, 245,398,752.80 and 99,536,820.92 is: 137,329,512.75
Step by Step Solution
- Step 1: Write the proportion equation
177,865,713.08 : 245,398,752.80 = 99,536,820.92 : x - Step 2: Convert to fraction form
177,865,713.08/245,398,752.80 = 99,536,820.92/x - Step 3: Cross multiply
177,865,713.08x = 245,398,752.80 × 99,536,820.92 - Step 4: Simplify right side
177,865,713.08x = 24,426,211,711,444,952 - Step 5: Solve for x
x = 24,426,211,711,444,952/177,865,713.08 - Step 6: Final answer
x = 137,329,512.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.