Finding the Fourth Proportional to 140,685,585.68, 194,156,878.80 and 88,519,337.12
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Solution
The fourth proportional to 140,685,585.68, 194,156,878.80 and 88,519,337.12 is: 122,163,462.06
Step by Step Solution
- Step 1: Write the proportion equation
140,685,585.68 : 194,156,878.80 = 88,519,337.12 : x - Step 2: Convert to fraction form
140,685,585.68/194,156,878.80 = 88,519,337.12/x - Step 3: Cross multiply
140,685,585.68x = 194,156,878.80 × 88,519,337.12 - Step 4: Simplify right side
140,685,585.68x = 17,186,638,208,664,184 - Step 5: Solve for x
x = 17,186,638,208,664,184/140,685,585.68 - Step 6: Final answer
x = 122,163,462.06
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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.